Home / 27,583.79-38,066.00-15,646.86

Finding the Fourth Proportional to 27,583.79, 38,066.00 and 15,646.86

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Solution

The fourth proportional to 27,583.79, 38,066.00 and 15,646.86 is: 21,592.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,583.79 : 38,066.00 = 15,646.86 : x
  2. Step 2: Convert to fraction form
    27,583.79/38,066.00 = 15,646.86/x
  3. Step 3: Cross multiply
    27,583.79x = 38,066.00 × 15,646.86
  4. Step 4: Simplify right side
    27,583.79x = 595,613,294.53
  5. Step 5: Solve for x
    x = 595,613,294.53/27,583.79
  6. Step 6: Final answer
    x = 21,592.88

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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.