Home / 22,821.95-31,484.57-14,318.30

Finding the Fourth Proportional to 22,821.95, 31,484.57 and 14,318.30

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Solution

The fourth proportional to 22,821.95, 31,484.57 and 14,318.30 is: 19,753.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,821.95 : 31,484.57 = 14,318.30 : x
  2. Step 2: Convert to fraction form
    22,821.95/31,484.57 = 14,318.30/x
  3. Step 3: Cross multiply
    22,821.95x = 31,484.57 × 14,318.30
  4. Step 4: Simplify right side
    22,821.95x = 450,805,525.75
  5. Step 5: Solve for x
    x = 450,805,525.75/22,821.95
  6. Step 6: Final answer
    x = 19,753.15

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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.