Home / 13,159.36-19,737.24-4,394.08

Finding the Fourth Proportional to 13,159.36, 19,737.24 and 4,394.08

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Solution

The fourth proportional to 13,159.36, 19,737.24 and 4,394.08 is: 6,590.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159.36 : 19,737.24 = 4,394.08 : x
  2. Step 2: Convert to fraction form
    13,159.36/19,737.24 = 4,394.08/x
  3. Step 3: Cross multiply
    13,159.36x = 19,737.24 × 4,394.08
  4. Step 4: Simplify right side
    13,159.36x = 86,727,011.54
  5. Step 5: Solve for x
    x = 86,727,011.54/13,159.36
  6. Step 6: Final answer
    x = 6,590.52

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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.