Home / 15,547.58-23,321.10-3,860.36

Finding the Fourth Proportional to 15,547.58, 23,321.10 and 3,860.36

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Solution

The fourth proportional to 15,547.58, 23,321.10 and 3,860.36 is: 5,790.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,547.58 : 23,321.10 = 3,860.36 : x
  2. Step 2: Convert to fraction form
    15,547.58/23,321.10 = 3,860.36/x
  3. Step 3: Cross multiply
    15,547.58x = 23,321.10 × 3,860.36
  4. Step 4: Simplify right side
    15,547.58x = 90,027,841.60
  5. Step 5: Solve for x
    x = 90,027,841.60/15,547.58
  6. Step 6: Final answer
    x = 5,790.47

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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.