Home / 15,070.72-22,573.20-9,209.56

Finding the Fourth Proportional to 15,070.72, 22,573.20 and 9,209.56

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Solution

The fourth proportional to 15,070.72, 22,573.20 and 9,209.56 is: 13,794.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,070.72 : 22,573.20 = 9,209.56 : x
  2. Step 2: Convert to fraction form
    15,070.72/22,573.20 = 9,209.56/x
  3. Step 3: Cross multiply
    15,070.72x = 22,573.20 × 9,209.56
  4. Step 4: Simplify right side
    15,070.72x = 207,889,239.79
  5. Step 5: Solve for x
    x = 207,889,239.79/15,070.72
  6. Step 6: Final answer
    x = 13,794.25

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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.