Home / 19,416.23-29,132.55-12,404.16

Finding the Fourth Proportional to 19,416.23, 29,132.55 and 12,404.16

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Solution

The fourth proportional to 19,416.23, 29,132.55 and 12,404.16 is: 18,611.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,416.23 : 29,132.55 = 12,404.16 : x
  2. Step 2: Convert to fraction form
    19,416.23/29,132.55 = 12,404.16/x
  3. Step 3: Cross multiply
    19,416.23x = 29,132.55 × 12,404.16
  4. Step 4: Simplify right side
    19,416.23x = 361,364,875.90
  5. Step 5: Solve for x
    x = 361,364,875.90/19,416.23
  6. Step 6: Final answer
    x = 18,611.48

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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.