Home / 23,158.76-31,959.36-13,725.52

Finding the Fourth Proportional to 23,158.76, 31,959.36 and 13,725.52

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Solution

The fourth proportional to 23,158.76, 31,959.36 and 13,725.52 is: 18,941.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,158.76 : 31,959.36 = 13,725.52 : x
  2. Step 2: Convert to fraction form
    23,158.76/31,959.36 = 13,725.52/x
  3. Step 3: Cross multiply
    23,158.76x = 31,959.36 × 13,725.52
  4. Step 4: Simplify right side
    23,158.76x = 438,658,834.87
  5. Step 5: Solve for x
    x = 438,658,834.87/23,158.76
  6. Step 6: Final answer
    x = 18,941.38

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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.