Home / 23,215.86-32,037.39-12,605.40

Finding the Fourth Proportional to 23,215.86, 32,037.39 and 12,605.40

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Solution

The fourth proportional to 23,215.86, 32,037.39 and 12,605.40 is: 17,395.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,215.86 : 32,037.39 = 12,605.40 : x
  2. Step 2: Convert to fraction form
    23,215.86/32,037.39 = 12,605.40/x
  3. Step 3: Cross multiply
    23,215.86x = 32,037.39 × 12,605.40
  4. Step 4: Simplify right side
    23,215.86x = 403,844,115.91
  5. Step 5: Solve for x
    x = 403,844,115.91/23,215.86
  6. Step 6: Final answer
    x = 17,395.18

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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.