Home / 22,489.30-31,030.05-13,052.26

Finding the Fourth Proportional to 22,489.30, 31,030.05 and 13,052.26

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Solution

The fourth proportional to 22,489.30, 31,030.05 and 13,052.26 is: 18,009.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,489.30 : 31,030.05 = 13,052.26 : x
  2. Step 2: Convert to fraction form
    22,489.30/31,030.05 = 13,052.26/x
  3. Step 3: Cross multiply
    22,489.30x = 31,030.05 × 13,052.26
  4. Step 4: Simplify right side
    22,489.30x = 405,012,280.41
  5. Step 5: Solve for x
    x = 405,012,280.41/22,489.30
  6. Step 6: Final answer
    x = 18,009.11

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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.