Home / 15,547.15-23,320.28-3,860.33

Finding the Fourth Proportional to 15,547.15, 23,320.28 and 3,860.33

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Solution

The fourth proportional to 15,547.15, 23,320.28 and 3,860.33 is: 5,790.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,547.15 : 23,320.28 = 3,860.33 : x
  2. Step 2: Convert to fraction form
    15,547.15/23,320.28 = 3,860.33/x
  3. Step 3: Cross multiply
    15,547.15x = 23,320.28 × 3,860.33
  4. Step 4: Simplify right side
    15,547.15x = 90,024,044.44
  5. Step 5: Solve for x
    x = 90,024,044.44/15,547.15
  6. Step 6: Final answer
    x = 5,790.39

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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.