Home / 19,365.52-26,724.18-10,981.48

Finding the Fourth Proportional to 19,365.52, 26,724.18 and 10,981.48

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Solution

The fourth proportional to 19,365.52, 26,724.18 and 10,981.48 is: 15,154.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,365.52 : 26,724.18 = 10,981.48 : x
  2. Step 2: Convert to fraction form
    19,365.52/26,724.18 = 10,981.48/x
  3. Step 3: Cross multiply
    19,365.52x = 26,724.18 × 10,981.48
  4. Step 4: Simplify right side
    19,365.52x = 293,471,048.19
  5. Step 5: Solve for x
    x = 293,471,048.19/19,365.52
  6. Step 6: Final answer
    x = 15,154.31

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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.