Home / 25,723.34-35,472.13-15,641.96

Finding the Fourth Proportional to 25,723.34, 35,472.13 and 15,641.96

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Solution

The fourth proportional to 25,723.34, 35,472.13 and 15,641.96 is: 21,570.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,723.34 : 35,472.13 = 15,641.96 : x
  2. Step 2: Convert to fraction form
    25,723.34/35,472.13 = 15,641.96/x
  3. Step 3: Cross multiply
    25,723.34x = 35,472.13 × 15,641.96
  4. Step 4: Simplify right side
    25,723.34x = 554,853,621.64
  5. Step 5: Solve for x
    x = 554,853,621.64/25,723.34
  6. Step 6: Final answer
    x = 21,570.05

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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.