Home / 13,547.82-20,315.25-5,752.38

Finding the Fourth Proportional to 13,547.82, 20,315.25 and 5,752.38

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Solution

The fourth proportional to 13,547.82, 20,315.25 and 5,752.38 is: 8,625.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,547.82 : 20,315.25 = 5,752.38 : x
  2. Step 2: Convert to fraction form
    13,547.82/20,315.25 = 5,752.38/x
  3. Step 3: Cross multiply
    13,547.82x = 20,315.25 × 5,752.38
  4. Step 4: Simplify right side
    13,547.82x = 116,861,037.80
  5. Step 5: Solve for x
    x = 116,861,037.80/13,547.82
  6. Step 6: Final answer
    x = 8,625.82

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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.