Home / 23,152.19-31,948.11-13,081.50

Finding the Fourth Proportional to 23,152.19, 31,948.11 and 13,081.50

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Solution

The fourth proportional to 23,152.19, 31,948.11 and 13,081.50 is: 18,051.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,152.19 : 31,948.11 = 13,081.50 : x
  2. Step 2: Convert to fraction form
    23,152.19/31,948.11 = 13,081.50/x
  3. Step 3: Cross multiply
    23,152.19x = 31,948.11 × 13,081.50
  4. Step 4: Simplify right side
    23,152.19x = 417,929,200.97
  5. Step 5: Solve for x
    x = 417,929,200.97/23,152.19
  6. Step 6: Final answer
    x = 18,051.39

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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.