Home / 29,418.84-40,598.04-15,990.12

Finding the Fourth Proportional to 29,418.84, 40,598.04 and 15,990.12

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Solution

The fourth proportional to 29,418.84, 40,598.04 and 15,990.12 is: 22,066.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,418.84 : 40,598.04 = 15,990.12 : x
  2. Step 2: Convert to fraction form
    29,418.84/40,598.04 = 15,990.12/x
  3. Step 3: Cross multiply
    29,418.84x = 40,598.04 × 15,990.12
  4. Step 4: Simplify right side
    29,418.84x = 649,167,531.36
  5. Step 5: Solve for x
    x = 649,167,531.36/29,418.84
  6. Step 6: Final answer
    x = 22,066.39

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Double scale
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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.