Home / 15,587.67-21,503.51-11,332.14

Finding the Fourth Proportional to 15,587.67, 21,503.51 and 11,332.14

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Solution

The fourth proportional to 15,587.67, 21,503.51 and 11,332.14 is: 15,632.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,587.67 : 21,503.51 = 11,332.14 : x
  2. Step 2: Convert to fraction form
    15,587.67/21,503.51 = 11,332.14/x
  3. Step 3: Cross multiply
    15,587.67x = 21,503.51 × 11,332.14
  4. Step 4: Simplify right side
    15,587.67x = 243,680,785.81
  5. Step 5: Solve for x
    x = 243,680,785.81/15,587.67
  6. Step 6: Final answer
    x = 15,632.92

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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.