Home / 25,741.56-38,528.10-15,888.72

Finding the Fourth Proportional to 25,741.56, 38,528.10 and 15,888.72

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Solution

The fourth proportional to 25,741.56, 38,528.10 and 15,888.72 is: 23,781.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,741.56 : 38,528.10 = 15,888.72 : x
  2. Step 2: Convert to fraction form
    25,741.56/38,528.10 = 15,888.72/x
  3. Step 3: Cross multiply
    25,741.56x = 38,528.10 × 15,888.72
  4. Step 4: Simplify right side
    25,741.56x = 612,162,193.03
  5. Step 5: Solve for x
    x = 612,162,193.03/25,741.56
  6. Step 6: Final answer
    x = 23,781.08

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1.5x scale

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.