Home / 22,085.66-30,489.50-17,038.55

Finding the Fourth Proportional to 22,085.66, 30,489.50 and 17,038.55

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Solution

The fourth proportional to 22,085.66, 30,489.50 and 17,038.55 is: 23,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,085.66 : 30,489.50 = 17,038.55 : x
  2. Step 2: Convert to fraction form
    22,085.66/30,489.50 = 17,038.55/x
  3. Step 3: Cross multiply
    22,085.66x = 30,489.50 × 17,038.55
  4. Step 4: Simplify right side
    22,085.66x = 519,496,632.58
  5. Step 5: Solve for x
    x = 519,496,632.58/22,085.66
  6. Step 6: Final answer
    x = 23,521.90

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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.