Home / 14,439.47-19,925.39-9,730.13

Finding the Fourth Proportional to 14,439.47, 19,925.39 and 9,730.13

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Solution

The fourth proportional to 14,439.47, 19,925.39 and 9,730.13 is: 13,426.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.47 : 19,925.39 = 9,730.13 : x
  2. Step 2: Convert to fraction form
    14,439.47/19,925.39 = 9,730.13/x
  3. Step 3: Cross multiply
    14,439.47x = 19,925.39 × 9,730.13
  4. Step 4: Simplify right side
    14,439.47x = 193,876,559.70
  5. Step 5: Solve for x
    x = 193,876,559.70/14,439.47
  6. Step 6: Final answer
    x = 13,426.85

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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.