Home / 25,801.72-38,626.02-15,776.45

Finding the Fourth Proportional to 25,801.72, 38,626.02 and 15,776.45

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Solution

The fourth proportional to 25,801.72, 38,626.02 and 15,776.45 is: 23,617.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,801.72 : 38,626.02 = 15,776.45 : x
  2. Step 2: Convert to fraction form
    25,801.72/38,626.02 = 15,776.45/x
  3. Step 3: Cross multiply
    25,801.72x = 38,626.02 × 15,776.45
  4. Step 4: Simplify right side
    25,801.72x = 609,381,473.23
  5. Step 5: Solve for x
    x = 609,381,473.23/25,801.72
  6. Step 6: Final answer
    x = 23,617.86

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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.