Home / 19,001.42-26,221.83-10,617.92

Finding the Fourth Proportional to 19,001.42, 26,221.83 and 10,617.92

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Solution

The fourth proportional to 19,001.42, 26,221.83 and 10,617.92 is: 14,652.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001.42 : 26,221.83 = 10,617.92 : x
  2. Step 2: Convert to fraction form
    19,001.42/26,221.83 = 10,617.92/x
  3. Step 3: Cross multiply
    19,001.42x = 26,221.83 × 10,617.92
  4. Step 4: Simplify right side
    19,001.42x = 278,421,220.60
  5. Step 5: Solve for x
    x = 278,421,220.60/19,001.42
  6. Step 6: Final answer
    x = 14,652.65

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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.