Home / 15,873.52-21,875.25-11,625.88

Finding the Fourth Proportional to 15,873.52, 21,875.25 and 11,625.88

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Solution

The fourth proportional to 15,873.52, 21,875.25 and 11,625.88 is: 16,021.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,873.52 : 21,875.25 = 11,625.88 : x
  2. Step 2: Convert to fraction form
    15,873.52/21,875.25 = 11,625.88/x
  3. Step 3: Cross multiply
    15,873.52x = 21,875.25 × 11,625.88
  4. Step 4: Simplify right side
    15,873.52x = 254,319,031.47
  5. Step 5: Solve for x
    x = 254,319,031.47/15,873.52
  6. Step 6: Final answer
    x = 16,021.59

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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.