Home / 22,851.24-31,531.56-12,779.16

Finding the Fourth Proportional to 22,851.24, 31,531.56 and 12,779.16

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Solution

The fourth proportional to 22,851.24, 31,531.56 and 12,779.16 is: 17,633.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,851.24 : 31,531.56 = 12,779.16 : x
  2. Step 2: Convert to fraction form
    22,851.24/31,531.56 = 12,779.16/x
  3. Step 3: Cross multiply
    22,851.24x = 31,531.56 × 12,779.16
  4. Step 4: Simplify right side
    22,851.24x = 402,946,850.29
  5. Step 5: Solve for x
    x = 402,946,850.29/22,851.24
  6. Step 6: Final answer
    x = 17,633.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.