Home / 23,158.40-31,960.19-14,087.30

Finding the Fourth Proportional to 23,158.40, 31,960.19 and 14,087.30

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Solution

The fourth proportional to 23,158.40, 31,960.19 and 14,087.30 is: 19,441.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,158.40 : 31,960.19 = 14,087.30 : x
  2. Step 2: Convert to fraction form
    23,158.40/31,960.19 = 14,087.30/x
  3. Step 3: Cross multiply
    23,158.40x = 31,960.19 × 14,087.30
  4. Step 4: Simplify right side
    23,158.40x = 450,232,784.59
  5. Step 5: Solve for x
    x = 450,232,784.59/23,158.40
  6. Step 6: Final answer
    x = 19,441.45

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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.