Home / 23,215.57-32,037.51-12,605.20

Finding the Fourth Proportional to 23,215.57, 32,037.51 and 12,605.20

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Solution

The fourth proportional to 23,215.57, 32,037.51 and 12,605.20 is: 17,395.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,215.57 : 32,037.51 = 12,605.20 : x
  2. Step 2: Convert to fraction form
    23,215.57/32,037.51 = 12,605.20/x
  3. Step 3: Cross multiply
    23,215.57x = 32,037.51 × 12,605.20
  4. Step 4: Simplify right side
    23,215.57x = 403,839,221.05
  5. Step 5: Solve for x
    x = 403,839,221.05/23,215.57
  6. Step 6: Final answer
    x = 17,395.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.