Home / 15,548.78-23,312.23-7,752.13

Finding the Fourth Proportional to 15,548.78, 23,312.23 and 7,752.13

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Solution

The fourth proportional to 15,548.78, 23,312.23 and 7,752.13 is: 11,622.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,548.78 : 23,312.23 = 7,752.13 : x
  2. Step 2: Convert to fraction form
    15,548.78/23,312.23 = 7,752.13/x
  3. Step 3: Cross multiply
    15,548.78x = 23,312.23 × 7,752.13
  4. Step 4: Simplify right side
    15,548.78x = 180,719,437.55
  5. Step 5: Solve for x
    x = 180,719,437.55/15,548.78
  6. Step 6: Final answer
    x = 11,622.74

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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.