Home / 14,263.11-19,692.78-8,887.71

Finding the Fourth Proportional to 14,263.11, 19,692.78 and 8,887.71

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Solution

The fourth proportional to 14,263.11, 19,692.78 and 8,887.71 is: 12,271.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,263.11 : 19,692.78 = 8,887.71 : x
  2. Step 2: Convert to fraction form
    14,263.11/19,692.78 = 8,887.71/x
  3. Step 3: Cross multiply
    14,263.11x = 19,692.78 × 8,887.71
  4. Step 4: Simplify right side
    14,263.11x = 175,023,717.73
  5. Step 5: Solve for x
    x = 175,023,717.73/14,263.11
  6. Step 6: Final answer
    x = 12,271.08

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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.