Home / 43,275.83-64,942.13-15,195.16

Finding the Fourth Proportional to 43,275.83, 64,942.13 and 15,195.16

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Solution

The fourth proportional to 43,275.83, 64,942.13 and 15,195.16 is: 22,802.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,275.83 : 64,942.13 = 15,195.16 : x
  2. Step 2: Convert to fraction form
    43,275.83/64,942.13 = 15,195.16/x
  3. Step 3: Cross multiply
    43,275.83x = 64,942.13 × 15,195.16
  4. Step 4: Simplify right side
    43,275.83x = 986,806,218.45
  5. Step 5: Solve for x
    x = 986,806,218.45/43,275.83
  6. Step 6: Final answer
    x = 22,802.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.