Home / 19,150.83-26,428.28-11,191.47

Finding the Fourth Proportional to 19,150.83, 26,428.28 and 11,191.47

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Solution

The fourth proportional to 19,150.83, 26,428.28 and 11,191.47 is: 15,444.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,150.83 : 26,428.28 = 11,191.47 : x
  2. Step 2: Convert to fraction form
    19,150.83/26,428.28 = 11,191.47/x
  3. Step 3: Cross multiply
    19,150.83x = 26,428.28 × 11,191.47
  4. Step 4: Simplify right side
    19,150.83x = 295,771,147.71
  5. Step 5: Solve for x
    x = 295,771,147.71/19,150.83
  6. Step 6: Final answer
    x = 15,444.30

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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.