Home / 14,962.45-20,647.25-8,248.14

Finding the Fourth Proportional to 14,962.45, 20,647.25 and 8,248.14

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Solution

The fourth proportional to 14,962.45, 20,647.25 and 8,248.14 is: 11,381.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,962.45 : 20,647.25 = 8,248.14 : x
  2. Step 2: Convert to fraction form
    14,962.45/20,647.25 = 8,248.14/x
  3. Step 3: Cross multiply
    14,962.45x = 20,647.25 × 8,248.14
  4. Step 4: Simplify right side
    14,962.45x = 170,301,315.76
  5. Step 5: Solve for x
    x = 170,301,315.76/14,962.45
  6. Step 6: Final answer
    x = 11,381.91

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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.