Home / 19,677.48-27,155.04-10,724.95

Finding the Fourth Proportional to 19,677.48, 27,155.04 and 10,724.95

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Solution

The fourth proportional to 19,677.48, 27,155.04 and 10,724.95 is: 14,800.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677.48 : 27,155.04 = 10,724.95 : x
  2. Step 2: Convert to fraction form
    19,677.48/27,155.04 = 10,724.95/x
  3. Step 3: Cross multiply
    19,677.48x = 27,155.04 × 10,724.95
  4. Step 4: Simplify right side
    19,677.48x = 291,236,446.25
  5. Step 5: Solve for x
    x = 291,236,446.25/19,677.48
  6. Step 6: Final answer
    x = 14,800.50

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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.