Home / 19,091.12-26,332.42-18,448.88

Finding the Fourth Proportional to 19,091.12, 26,332.42 and 18,448.88

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Solution

The fourth proportional to 19,091.12, 26,332.42 and 18,448.88 is: 25,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,091.12 : 26,332.42 = 18,448.88 : x
  2. Step 2: Convert to fraction form
    19,091.12/26,332.42 = 18,448.88/x
  3. Step 3: Cross multiply
    19,091.12x = 26,332.42 × 18,448.88
  4. Step 4: Simplify right side
    19,091.12x = 485,803,656.69
  5. Step 5: Solve for x
    x = 485,803,656.69/19,091.12
  6. Step 6: Final answer
    x = 25,446.58

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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.