Home / 15,002.80-22,504.20-14,905.60

Finding the Fourth Proportional to 15,002.80, 22,504.20 and 14,905.60

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Solution

The fourth proportional to 15,002.80, 22,504.20 and 14,905.60 is: 22,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,002.80 : 22,504.20 = 14,905.60 : x
  2. Step 2: Convert to fraction form
    15,002.80/22,504.20 = 14,905.60/x
  3. Step 3: Cross multiply
    15,002.80x = 22,504.20 × 14,905.60
  4. Step 4: Simplify right side
    15,002.80x = 335,438,603.52
  5. Step 5: Solve for x
    x = 335,438,603.52/15,002.80
  6. Step 6: Final answer
    x = 22,358.40

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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.