Home / 25,641.10-38,464.35-10,646.52

Finding the Fourth Proportional to 25,641.10, 38,464.35 and 10,646.52

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Solution

The fourth proportional to 25,641.10, 38,464.35 and 10,646.52 is: 15,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,641.10 : 38,464.35 = 10,646.52 : x
  2. Step 2: Convert to fraction form
    25,641.10/38,464.35 = 10,646.52/x
  3. Step 3: Cross multiply
    25,641.10x = 38,464.35 × 10,646.52
  4. Step 4: Simplify right side
    25,641.10x = 409,511,471.56
  5. Step 5: Solve for x
    x = 409,511,471.56/25,641.10
  6. Step 6: Final answer
    x = 15,970.90

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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.