Home / 14,977.08-20,670.12-8,693.10

Finding the Fourth Proportional to 14,977.08, 20,670.12 and 8,693.10

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Solution

The fourth proportional to 14,977.08, 20,670.12 and 8,693.10 is: 11,997.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,977.08 : 20,670.12 = 8,693.10 : x
  2. Step 2: Convert to fraction form
    14,977.08/20,670.12 = 8,693.10/x
  3. Step 3: Cross multiply
    14,977.08x = 20,670.12 × 8,693.10
  4. Step 4: Simplify right side
    14,977.08x = 179,687,420.17
  5. Step 5: Solve for x
    x = 179,687,420.17/14,977.08
  6. Step 6: Final answer
    x = 11,997.49

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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.