Home / 15,995.31-22,095.84-15,154.53

Finding the Fourth Proportional to 15,995.31, 22,095.84 and 15,154.53

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Solution

The fourth proportional to 15,995.31, 22,095.84 and 15,154.53 is: 20,934.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995.31 : 22,095.84 = 15,154.53 : x
  2. Step 2: Convert to fraction form
    15,995.31/22,095.84 = 15,154.53/x
  3. Step 3: Cross multiply
    15,995.31x = 22,095.84 × 15,154.53
  4. Step 4: Simplify right side
    15,995.31x = 334,852,070.16
  5. Step 5: Solve for x
    x = 334,852,070.16/15,995.31
  6. Step 6: Final answer
    x = 20,934.39

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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.