Home / 14,543.13-21,813.47-5,775.69

Finding the Fourth Proportional to 14,543.13, 21,813.47 and 5,775.69

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Solution

The fourth proportional to 14,543.13, 21,813.47 and 5,775.69 is: 8,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,543.13 : 21,813.47 = 5,775.69 : x
  2. Step 2: Convert to fraction form
    14,543.13/21,813.47 = 5,775.69/x
  3. Step 3: Cross multiply
    14,543.13x = 21,813.47 × 5,775.69
  4. Step 4: Simplify right side
    14,543.13x = 125,987,854.98
  5. Step 5: Solve for x
    x = 125,987,854.98/14,543.13
  6. Step 6: Final answer
    x = 8,663.05

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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.