Home / 19,355.76-26,710.93-10,972.26

Finding the Fourth Proportional to 19,355.76, 26,710.93 and 10,972.26

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Solution

The fourth proportional to 19,355.76, 26,710.93 and 10,972.26 is: 15,141.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355.76 : 26,710.93 = 10,972.26 : x
  2. Step 2: Convert to fraction form
    19,355.76/26,710.93 = 10,972.26/x
  3. Step 3: Cross multiply
    19,355.76x = 26,710.93 × 10,972.26
  4. Step 4: Simplify right side
    19,355.76x = 293,079,268.80
  5. Step 5: Solve for x
    x = 293,079,268.80/19,355.76
  6. Step 6: Final answer
    x = 15,141.71

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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.