Home / 15,618.86-23,428.28-6,853.08

Finding the Fourth Proportional to 15,618.86, 23,428.28 and 6,853.08

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Solution

The fourth proportional to 15,618.86, 23,428.28 and 6,853.08 is: 10,279.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,618.86 : 23,428.28 = 6,853.08 : x
  2. Step 2: Convert to fraction form
    15,618.86/23,428.28 = 6,853.08/x
  3. Step 3: Cross multiply
    15,618.86x = 23,428.28 × 6,853.08
  4. Step 4: Simplify right side
    15,618.86x = 160,555,842.84
  5. Step 5: Solve for x
    x = 160,555,842.84/15,618.86
  6. Step 6: Final answer
    x = 10,279.62

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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.