Home / 15,890.96-23,819.16-6,646.16

Finding the Fourth Proportional to 15,890.96, 23,819.16 and 6,646.16

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Solution

The fourth proportional to 15,890.96, 23,819.16 and 6,646.16 is: 9,962.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,890.96 : 23,819.16 = 6,646.16 : x
  2. Step 2: Convert to fraction form
    15,890.96/23,819.16 = 6,646.16/x
  3. Step 3: Cross multiply
    15,890.96x = 23,819.16 × 6,646.16
  4. Step 4: Simplify right side
    15,890.96x = 158,305,948.43
  5. Step 5: Solve for x
    x = 158,305,948.43/15,890.96
  6. Step 6: Final answer
    x = 9,962.01

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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.