Home / 15,998.99-22,071.44-9,280.71

Finding the Fourth Proportional to 15,998.99, 22,071.44 and 9,280.71

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Solution

The fourth proportional to 15,998.99, 22,071.44 and 9,280.71 is: 12,803.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.99 : 22,071.44 = 9,280.71 : x
  2. Step 2: Convert to fraction form
    15,998.99/22,071.44 = 9,280.71/x
  3. Step 3: Cross multiply
    15,998.99x = 22,071.44 × 9,280.71
  4. Step 4: Simplify right side
    15,998.99x = 204,838,587.52
  5. Step 5: Solve for x
    x = 204,838,587.52/15,998.99
  6. Step 6: Final answer
    x = 12,803.22

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.