Home / 25,327.72-34,948.56-15,899.32

Finding the Fourth Proportional to 25,327.72, 34,948.56 and 15,899.32

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Solution

The fourth proportional to 25,327.72, 34,948.56 and 15,899.32 is: 21,938.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,327.72 : 34,948.56 = 15,899.32 : x
  2. Step 2: Convert to fraction form
    25,327.72/34,948.56 = 15,899.32/x
  3. Step 3: Cross multiply
    25,327.72x = 34,948.56 × 15,899.32
  4. Step 4: Simplify right side
    25,327.72x = 555,658,338.98
  5. Step 5: Solve for x
    x = 555,658,338.98/25,327.72
  6. Step 6: Final answer
    x = 21,938.74

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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.