Home / 14,354.39-21,535.65-5,591.81

Finding the Fourth Proportional to 14,354.39, 21,535.65 and 5,591.81

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Solution

The fourth proportional to 14,354.39, 21,535.65 and 5,591.81 is: 8,389.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,354.39 : 21,535.65 = 5,591.81 : x
  2. Step 2: Convert to fraction form
    14,354.39/21,535.65 = 5,591.81/x
  3. Step 3: Cross multiply
    14,354.39x = 21,535.65 × 5,591.81
  4. Step 4: Simplify right side
    14,354.39x = 120,423,155.35
  5. Step 5: Solve for x
    x = 120,423,155.35/14,354.39
  6. Step 6: Final answer
    x = 8,389.29

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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.