Home / 25,415.17-38,113.34-8,770.68

Finding the Fourth Proportional to 25,415.17, 38,113.34 and 8,770.68

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Solution

The fourth proportional to 25,415.17, 38,113.34 and 8,770.68 is: 13,152.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,415.17 : 38,113.34 = 8,770.68 : x
  2. Step 2: Convert to fraction form
    25,415.17/38,113.34 = 8,770.68/x
  3. Step 3: Cross multiply
    25,415.17x = 38,113.34 × 8,770.68
  4. Step 4: Simplify right side
    25,415.17x = 334,279,865.02
  5. Step 5: Solve for x
    x = 334,279,865.02/25,415.17
  6. Step 6: Final answer
    x = 13,152.77

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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.