Home / 15,632.76-21,573.72-8,559.33

Finding the Fourth Proportional to 15,632.76, 21,573.72 and 8,559.33

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Solution

The fourth proportional to 15,632.76, 21,573.72 and 8,559.33 is: 11,812.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,632.76 : 21,573.72 = 8,559.33 : x
  2. Step 2: Convert to fraction form
    15,632.76/21,573.72 = 8,559.33/x
  3. Step 3: Cross multiply
    15,632.76x = 21,573.72 × 8,559.33
  4. Step 4: Simplify right side
    15,632.76x = 184,656,588.81
  5. Step 5: Solve for x
    x = 184,656,588.81/15,632.76
  6. Step 6: Final answer
    x = 11,812.16

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Half scale
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Double scale
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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.