Home / 14,614.39-20,159.52-8,645.08

Finding the Fourth Proportional to 14,614.39, 20,159.52 and 8,645.08

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Solution

The fourth proportional to 14,614.39, 20,159.52 and 8,645.08 is: 11,925.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.39 : 20,159.52 = 8,645.08 : x
  2. Step 2: Convert to fraction form
    14,614.39/20,159.52 = 8,645.08/x
  3. Step 3: Cross multiply
    14,614.39x = 20,159.52 × 8,645.08
  4. Step 4: Simplify right side
    14,614.39x = 174,280,663.16
  5. Step 5: Solve for x
    x = 174,280,663.16/14,614.39
  6. Step 6: Final answer
    x = 11,925.28

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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.