Home / 19,296.16-28,921.90-8,886.04

Finding the Fourth Proportional to 19,296.16, 28,921.90 and 8,886.04

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Solution

The fourth proportional to 19,296.16, 28,921.90 and 8,886.04 is: 13,318.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,296.16 : 28,921.90 = 8,886.04 : x
  2. Step 2: Convert to fraction form
    19,296.16/28,921.90 = 8,886.04/x
  3. Step 3: Cross multiply
    19,296.16x = 28,921.90 × 8,886.04
  4. Step 4: Simplify right side
    19,296.16x = 257,001,160.28
  5. Step 5: Solve for x
    x = 257,001,160.28/19,296.16
  6. Step 6: Final answer
    x = 13,318.77

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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.