Home / 14,370.38-21,542.76-5,603.30

Finding the Fourth Proportional to 14,370.38, 21,542.76 and 5,603.30

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Solution

The fourth proportional to 14,370.38, 21,542.76 and 5,603.30 is: 8,399.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370.38 : 21,542.76 = 5,603.30 : x
  2. Step 2: Convert to fraction form
    14,370.38/21,542.76 = 5,603.30/x
  3. Step 3: Cross multiply
    14,370.38x = 21,542.76 × 5,603.30
  4. Step 4: Simplify right side
    14,370.38x = 120,710,547.11
  5. Step 5: Solve for x
    x = 120,710,547.11/14,370.38
  6. Step 6: Final answer
    x = 8,399.96

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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.