Home / 15,272.32-21,076.32-14,572.48

Finding the Fourth Proportional to 15,272.32, 21,076.32 and 14,572.48

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Solution

The fourth proportional to 15,272.32, 21,076.32 and 14,572.48 is: 20,110.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,272.32 : 21,076.32 = 14,572.48 : x
  2. Step 2: Convert to fraction form
    15,272.32/21,076.32 = 14,572.48/x
  3. Step 3: Cross multiply
    15,272.32x = 21,076.32 × 14,572.48
  4. Step 4: Simplify right side
    15,272.32x = 307,134,251.67
  5. Step 5: Solve for x
    x = 307,134,251.67/15,272.32
  6. Step 6: Final answer
    x = 20,110.52

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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.