Home / 25,008.24-34,485.03-15,560.40

Finding the Fourth Proportional to 25,008.24, 34,485.03 and 15,560.40

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Solution

The fourth proportional to 25,008.24, 34,485.03 and 15,560.40 is: 21,456.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,008.24 : 34,485.03 = 15,560.40 : x
  2. Step 2: Convert to fraction form
    25,008.24/34,485.03 = 15,560.40/x
  3. Step 3: Cross multiply
    25,008.24x = 34,485.03 × 15,560.40
  4. Step 4: Simplify right side
    25,008.24x = 536,600,860.81
  5. Step 5: Solve for x
    x = 536,600,860.81/25,008.24
  6. Step 6: Final answer
    x = 21,456.96

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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.