Home / 15,250.40-22,875.60-13,637.60

Finding the Fourth Proportional to 15,250.40, 22,875.60 and 13,637.60

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Solution

The fourth proportional to 15,250.40, 22,875.60 and 13,637.60 is: 20,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,250.40 : 22,875.60 = 13,637.60 : x
  2. Step 2: Convert to fraction form
    15,250.40/22,875.60 = 13,637.60/x
  3. Step 3: Cross multiply
    15,250.40x = 22,875.60 × 13,637.60
  4. Step 4: Simplify right side
    15,250.40x = 311,968,282.56
  5. Step 5: Solve for x
    x = 311,968,282.56/15,250.40
  6. Step 6: Final answer
    x = 20,456.40

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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.