Home / 14,053.05-19,385.87-9,515.84

Finding the Fourth Proportional to 14,053.05, 19,385.87 and 9,515.84

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Solution

The fourth proportional to 14,053.05, 19,385.87 and 9,515.84 is: 13,126.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,053.05 : 19,385.87 = 9,515.84 : x
  2. Step 2: Convert to fraction form
    14,053.05/19,385.87 = 9,515.84/x
  3. Step 3: Cross multiply
    14,053.05x = 19,385.87 × 9,515.84
  4. Step 4: Simplify right side
    14,053.05x = 184,472,692.67
  5. Step 5: Solve for x
    x = 184,472,692.67/14,053.05
  6. Step 6: Final answer
    x = 13,126.88

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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.