Home / 19,677.19-27,153.73-10,724.50

Finding the Fourth Proportional to 19,677.19, 27,153.73 and 10,724.50

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Solution

The fourth proportional to 19,677.19, 27,153.73 and 10,724.50 is: 14,799.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677.19 : 27,153.73 = 10,724.50 : x
  2. Step 2: Convert to fraction form
    19,677.19/27,153.73 = 10,724.50/x
  3. Step 3: Cross multiply
    19,677.19x = 27,153.73 × 10,724.50
  4. Step 4: Simplify right side
    19,677.19x = 291,210,177.39
  5. Step 5: Solve for x
    x = 291,210,177.39/19,677.19
  6. Step 6: Final answer
    x = 14,799.38

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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.