Home / 15,122.66-22,635.45-8,085.08

Finding the Fourth Proportional to 15,122.66, 22,635.45 and 8,085.08

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Solution

The fourth proportional to 15,122.66, 22,635.45 and 8,085.08 is: 12,101.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,122.66 : 22,635.45 = 8,085.08 : x
  2. Step 2: Convert to fraction form
    15,122.66/22,635.45 = 8,085.08/x
  3. Step 3: Cross multiply
    15,122.66x = 22,635.45 × 8,085.08
  4. Step 4: Simplify right side
    15,122.66x = 183,009,424.09
  5. Step 5: Solve for x
    x = 183,009,424.09/15,122.66
  6. Step 6: Final answer
    x = 12,101.67

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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.