Home / 15,123.16-22,636.20-8,085.58

Finding the Fourth Proportional to 15,123.16, 22,636.20 and 8,085.58

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Solution

The fourth proportional to 15,123.16, 22,636.20 and 8,085.58 is: 12,102.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,123.16 : 22,636.20 = 8,085.58 : x
  2. Step 2: Convert to fraction form
    15,123.16/22,636.20 = 8,085.58/x
  3. Step 3: Cross multiply
    15,123.16x = 22,636.20 × 8,085.58
  4. Step 4: Simplify right side
    15,123.16x = 183,026,806.00
  5. Step 5: Solve for x
    x = 183,026,806.00/15,123.16
  6. Step 6: Final answer
    x = 12,102.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.