Home / 19,750.96-29,611.05-9,885.16

Finding the Fourth Proportional to 19,750.96, 29,611.05 and 9,885.16

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Solution

The fourth proportional to 19,750.96, 29,611.05 and 9,885.16 is: 14,820.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,750.96 : 29,611.05 = 9,885.16 : x
  2. Step 2: Convert to fraction form
    19,750.96/29,611.05 = 9,885.16/x
  3. Step 3: Cross multiply
    19,750.96x = 29,611.05 × 9,885.16
  4. Step 4: Simplify right side
    19,750.96x = 292,709,967.02
  5. Step 5: Solve for x
    x = 292,709,967.02/19,750.96
  6. Step 6: Final answer
    x = 14,820.04

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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.