Home / 14,190.68-19,587.68-9,155.04

Finding the Fourth Proportional to 14,190.68, 19,587.68 and 9,155.04

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Solution

The fourth proportional to 14,190.68, 19,587.68 and 9,155.04 is: 12,636.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.68 : 19,587.68 = 9,155.04 : x
  2. Step 2: Convert to fraction form
    14,190.68/19,587.68 = 9,155.04/x
  3. Step 3: Cross multiply
    14,190.68x = 19,587.68 × 9,155.04
  4. Step 4: Simplify right side
    14,190.68x = 179,325,948.13
  5. Step 5: Solve for x
    x = 179,325,948.13/14,190.68
  6. Step 6: Final answer
    x = 12,636.89

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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.