Home / 29,416.72-40,595.12-15,988.12

Finding the Fourth Proportional to 29,416.72, 40,595.12 and 15,988.12

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Solution

The fourth proportional to 29,416.72, 40,595.12 and 15,988.12 is: 22,063.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,416.72 : 40,595.12 = 15,988.12 : x
  2. Step 2: Convert to fraction form
    29,416.72/40,595.12 = 15,988.12/x
  3. Step 3: Cross multiply
    29,416.72x = 40,595.12 × 15,988.12
  4. Step 4: Simplify right side
    29,416.72x = 649,039,649.97
  5. Step 5: Solve for x
    x = 649,039,649.97/29,416.72
  6. Step 6: Final answer
    x = 22,063.63

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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.