Home / 24,818.40-34,248.96-13,640.40

Finding the Fourth Proportional to 24,818.40, 34,248.96 and 13,640.40

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Solution

The fourth proportional to 24,818.40, 34,248.96 and 13,640.40 is: 18,823.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,818.40 : 34,248.96 = 13,640.40 : x
  2. Step 2: Convert to fraction form
    24,818.40/34,248.96 = 13,640.40/x
  3. Step 3: Cross multiply
    24,818.40x = 34,248.96 × 13,640.40
  4. Step 4: Simplify right side
    24,818.40x = 467,169,513.98
  5. Step 5: Solve for x
    x = 467,169,513.98/24,818.40
  6. Step 6: Final answer
    x = 18,823.51

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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.