Home / 23,154.48-31,959.09-14,785.56

Finding the Fourth Proportional to 23,154.48, 31,959.09 and 14,785.56

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Solution

The fourth proportional to 23,154.48, 31,959.09 and 14,785.56 is: 20,407.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,154.48 : 31,959.09 = 14,785.56 : x
  2. Step 2: Convert to fraction form
    23,154.48/31,959.09 = 14,785.56/x
  3. Step 3: Cross multiply
    23,154.48x = 31,959.09 × 14,785.56
  4. Step 4: Simplify right side
    23,154.48x = 472,533,042.74
  5. Step 5: Solve for x
    x = 472,533,042.74/23,154.48
  6. Step 6: Final answer
    x = 20,407.85

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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.