Home / 22,038.80-33,013.40-13,693.20

Finding the Fourth Proportional to 22,038.80, 33,013.40 and 13,693.20

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Solution

The fourth proportional to 22,038.80, 33,013.40 and 13,693.20 is: 20,511.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,038.80 : 33,013.40 = 13,693.20 : x
  2. Step 2: Convert to fraction form
    22,038.80/33,013.40 = 13,693.20/x
  3. Step 3: Cross multiply
    22,038.80x = 33,013.40 × 13,693.20
  4. Step 4: Simplify right side
    22,038.80x = 452,059,088.88
  5. Step 5: Solve for x
    x = 452,059,088.88/22,038.80
  6. Step 6: Final answer
    x = 20,511.96

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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.