Home / 25,800.72-38,624.52-15,775.45

Finding the Fourth Proportional to 25,800.72, 38,624.52 and 15,775.45

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Solution

The fourth proportional to 25,800.72, 38,624.52 and 15,775.45 is: 23,616.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,800.72 : 38,624.52 = 15,775.45 : x
  2. Step 2: Convert to fraction form
    25,800.72/38,624.52 = 15,775.45/x
  3. Step 3: Cross multiply
    25,800.72x = 38,624.52 × 15,775.45
  4. Step 4: Simplify right side
    25,800.72x = 609,319,184.03
  5. Step 5: Solve for x
    x = 609,319,184.03/25,800.72
  6. Step 6: Final answer
    x = 23,616.36

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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.