Home / 22,979.34-31,723.53-15,465.18

Finding the Fourth Proportional to 22,979.34, 31,723.53 and 15,465.18

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Solution

The fourth proportional to 22,979.34, 31,723.53 and 15,465.18 is: 21,350.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,979.34 : 31,723.53 = 15,465.18 : x
  2. Step 2: Convert to fraction form
    22,979.34/31,723.53 = 15,465.18/x
  3. Step 3: Cross multiply
    22,979.34x = 31,723.53 × 15,465.18
  4. Step 4: Simplify right side
    22,979.34x = 490,610,101.69
  5. Step 5: Solve for x
    x = 490,610,101.69/22,979.34
  6. Step 6: Final answer
    x = 21,350.05

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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.