Home / 22,061.52-30,444.12-12,623.40

Finding the Fourth Proportional to 22,061.52, 30,444.12 and 12,623.40

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Solution

The fourth proportional to 22,061.52, 30,444.12 and 12,623.40 is: 17,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,061.52 : 30,444.12 = 12,623.40 : x
  2. Step 2: Convert to fraction form
    22,061.52/30,444.12 = 12,623.40/x
  3. Step 3: Cross multiply
    22,061.52x = 30,444.12 × 12,623.40
  4. Step 4: Simplify right side
    22,061.52x = 384,308,304.41
  5. Step 5: Solve for x
    x = 384,308,304.41/22,061.52
  6. Step 6: Final answer
    x = 17,419.85

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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.