Home / 15,250.04-21,038.84-9,276.92

Finding the Fourth Proportional to 15,250.04, 21,038.84 and 9,276.92

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Solution

The fourth proportional to 15,250.04, 21,038.84 and 9,276.92 is: 12,798.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,250.04 : 21,038.84 = 9,276.92 : x
  2. Step 2: Convert to fraction form
    15,250.04/21,038.84 = 9,276.92/x
  3. Step 3: Cross multiply
    15,250.04x = 21,038.84 × 9,276.92
  4. Step 4: Simplify right side
    15,250.04x = 195,175,635.57
  5. Step 5: Solve for x
    x = 195,175,635.57/15,250.04
  6. Step 6: Final answer
    x = 12,798.37

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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.