Home / 23,124.28-31,911.64-13,053.12

Finding the Fourth Proportional to 23,124.28, 31,911.64 and 13,053.12

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Solution

The fourth proportional to 23,124.28, 31,911.64 and 13,053.12 is: 18,013.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,124.28 : 31,911.64 = 13,053.12 : x
  2. Step 2: Convert to fraction form
    23,124.28/31,911.64 = 13,053.12/x
  3. Step 3: Cross multiply
    23,124.28x = 31,911.64 × 13,053.12
  4. Step 4: Simplify right side
    23,124.28x = 416,546,466.32
  5. Step 5: Solve for x
    x = 416,546,466.32/23,124.28
  6. Step 6: Final answer
    x = 18,013.38

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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.