Home / 19,905.18-29,870.98-11,024.22

Finding the Fourth Proportional to 19,905.18, 29,870.98 and 11,024.22

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Solution

The fourth proportional to 19,905.18, 29,870.98 and 11,024.22 is: 16,543.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,905.18 : 29,870.98 = 11,024.22 : x
  2. Step 2: Convert to fraction form
    19,905.18/29,870.98 = 11,024.22/x
  3. Step 3: Cross multiply
    19,905.18x = 29,870.98 × 11,024.22
  4. Step 4: Simplify right side
    19,905.18x = 329,304,255.14
  5. Step 5: Solve for x
    x = 329,304,255.14/19,905.18
  6. Step 6: Final answer
    x = 16,543.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.