Home / 25,681.96-35,437.38-15,069.16

Finding the Fourth Proportional to 25,681.96, 35,437.38 and 15,069.16

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Solution

The fourth proportional to 25,681.96, 35,437.38 and 15,069.16 is: 20,793.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,681.96 : 35,437.38 = 15,069.16 : x
  2. Step 2: Convert to fraction form
    25,681.96/35,437.38 = 15,069.16/x
  3. Step 3: Cross multiply
    25,681.96x = 35,437.38 × 15,069.16
  4. Step 4: Simplify right side
    25,681.96x = 534,011,549.20
  5. Step 5: Solve for x
    x = 534,011,549.20/25,681.96
  6. Step 6: Final answer
    x = 20,793.26

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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.