Home / 13,637.50-20,456.15-9,358.94

Finding the Fourth Proportional to 13,637.50, 20,456.15 and 9,358.94

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Solution

The fourth proportional to 13,637.50, 20,456.15 and 9,358.94 is: 14,038.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637.50 : 20,456.15 = 9,358.94 : x
  2. Step 2: Convert to fraction form
    13,637.50/20,456.15 = 9,358.94/x
  3. Step 3: Cross multiply
    13,637.50x = 20,456.15 × 9,358.94
  4. Step 4: Simplify right side
    13,637.50x = 191,447,884.83
  5. Step 5: Solve for x
    x = 191,447,884.83/13,637.50
  6. Step 6: Final answer
    x = 14,038.34

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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.