Home / 22,575.16-31,155.33-13,622.16

Finding the Fourth Proportional to 22,575.16, 31,155.33 and 13,622.16

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Solution

The fourth proportional to 22,575.16, 31,155.33 and 13,622.16 is: 18,799.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,575.16 : 31,155.33 = 13,622.16 : x
  2. Step 2: Convert to fraction form
    22,575.16/31,155.33 = 13,622.16/x
  3. Step 3: Cross multiply
    22,575.16x = 31,155.33 × 13,622.16
  4. Step 4: Simplify right side
    22,575.16x = 424,402,890.11
  5. Step 5: Solve for x
    x = 424,402,890.11/22,575.16
  6. Step 6: Final answer
    x = 18,799.55

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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.