Home / 14,937.79-20,613.72-8,564.17

Finding the Fourth Proportional to 14,937.79, 20,613.72 and 8,564.17

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Solution

The fourth proportional to 14,937.79, 20,613.72 and 8,564.17 is: 11,818.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,937.79 : 20,613.72 = 8,564.17 : x
  2. Step 2: Convert to fraction form
    14,937.79/20,613.72 = 8,564.17/x
  3. Step 3: Cross multiply
    14,937.79x = 20,613.72 × 8,564.17
  4. Step 4: Simplify right side
    14,937.79x = 176,539,402.41
  5. Step 5: Solve for x
    x = 176,539,402.41/14,937.79
  6. Step 6: Final answer
    x = 11,818.31

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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.