Home / 23,095.32-31,882.14-15,137.88

Finding the Fourth Proportional to 23,095.32, 31,882.14 and 15,137.88

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Solution

The fourth proportional to 23,095.32, 31,882.14 and 15,137.88 is: 20,897.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,095.32 : 31,882.14 = 15,137.88 : x
  2. Step 2: Convert to fraction form
    23,095.32/31,882.14 = 15,137.88/x
  3. Step 3: Cross multiply
    23,095.32x = 31,882.14 × 15,137.88
  4. Step 4: Simplify right side
    23,095.32x = 482,628,009.46
  5. Step 5: Solve for x
    x = 482,628,009.46/23,095.32
  6. Step 6: Final answer
    x = 20,897.22

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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.