Home / 23,154.36-31,952.88-12,543.99

Finding the Fourth Proportional to 23,154.36, 31,952.88 and 12,543.99

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Solution

The fourth proportional to 23,154.36, 31,952.88 and 12,543.99 is: 17,310.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,154.36 : 31,952.88 = 12,543.99 : x
  2. Step 2: Convert to fraction form
    23,154.36/31,952.88 = 12,543.99/x
  3. Step 3: Cross multiply
    23,154.36x = 31,952.88 × 12,543.99
  4. Step 4: Simplify right side
    23,154.36x = 400,816,607.19
  5. Step 5: Solve for x
    x = 400,816,607.19/23,154.36
  6. Step 6: Final answer
    x = 17,310.63

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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.