Home / 24,869.81-34,320.35-13,691.81

Finding the Fourth Proportional to 24,869.81, 34,320.35 and 13,691.81

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Solution

The fourth proportional to 24,869.81, 34,320.35 and 13,691.81 is: 18,894.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,869.81 : 34,320.35 = 13,691.81 : x
  2. Step 2: Convert to fraction form
    24,869.81/34,320.35 = 13,691.81/x
  3. Step 3: Cross multiply
    24,869.81x = 34,320.35 × 13,691.81
  4. Step 4: Simplify right side
    24,869.81x = 469,907,831.36
  5. Step 5: Solve for x
    x = 469,907,831.36/24,869.81
  6. Step 6: Final answer
    x = 18,894.71

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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.