Home / 23,319.87-32,181.60-12,709.47

Finding the Fourth Proportional to 23,319.87, 32,181.60 and 12,709.47

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Solution

The fourth proportional to 23,319.87, 32,181.60 and 12,709.47 is: 17,539.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,319.87 : 32,181.60 = 12,709.47 : x
  2. Step 2: Convert to fraction form
    23,319.87/32,181.60 = 12,709.47/x
  3. Step 3: Cross multiply
    23,319.87x = 32,181.60 × 12,709.47
  4. Step 4: Simplify right side
    23,319.87x = 409,011,079.75
  5. Step 5: Solve for x
    x = 409,011,079.75/23,319.87
  6. Step 6: Final answer
    x = 17,539.17

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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.