Home / 34,692.13-47,875.14-18,776.71

Finding the Fourth Proportional to 34,692.13, 47,875.14 and 18,776.71

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Solution

The fourth proportional to 34,692.13, 47,875.14 and 18,776.71 is: 25,911.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,692.13 : 47,875.14 = 18,776.71 : x
  2. Step 2: Convert to fraction form
    34,692.13/47,875.14 = 18,776.71/x
  3. Step 3: Cross multiply
    34,692.13x = 47,875.14 × 18,776.71
  4. Step 4: Simplify right side
    34,692.13x = 898,937,286.73
  5. Step 5: Solve for x
    x = 898,937,286.73/34,692.13
  6. Step 6: Final answer
    x = 25,911.85

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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.