Home / 19,437.59-29,150.51-5,394.21

Finding the Fourth Proportional to 19,437.59, 29,150.51 and 5,394.21

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Solution

The fourth proportional to 19,437.59, 29,150.51 and 5,394.21 is: 8,089.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,437.59 : 29,150.51 = 5,394.21 : x
  2. Step 2: Convert to fraction form
    19,437.59/29,150.51 = 5,394.21/x
  3. Step 3: Cross multiply
    19,437.59x = 29,150.51 × 5,394.21
  4. Step 4: Simplify right side
    19,437.59x = 157,243,945.58
  5. Step 5: Solve for x
    x = 157,243,945.58/19,437.59
  6. Step 6: Final answer
    x = 8,089.69

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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.