Home / 22,890.20-31,584.53-14,397.35

Finding the Fourth Proportional to 22,890.20, 31,584.53 and 14,397.35

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Solution

The fourth proportional to 22,890.20, 31,584.53 and 14,397.35 is: 19,865.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,890.20 : 31,584.53 = 14,397.35 : x
  2. Step 2: Convert to fraction form
    22,890.20/31,584.53 = 14,397.35/x
  3. Step 3: Cross multiply
    22,890.20x = 31,584.53 × 14,397.35
  4. Step 4: Simplify right side
    22,890.20x = 454,733,411.07
  5. Step 5: Solve for x
    x = 454,733,411.07/22,890.20
  6. Step 6: Final answer
    x = 19,865.86

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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.