Home / 19,869.68-27,444.42-14,856.17

Finding the Fourth Proportional to 19,869.68, 27,444.42 and 14,856.17

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Solution

The fourth proportional to 19,869.68, 27,444.42 and 14,856.17 is: 20,519.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,869.68 : 27,444.42 = 14,856.17 : x
  2. Step 2: Convert to fraction form
    19,869.68/27,444.42 = 14,856.17/x
  3. Step 3: Cross multiply
    19,869.68x = 27,444.42 × 14,856.17
  4. Step 4: Simplify right side
    19,869.68x = 407,718,969.07
  5. Step 5: Solve for x
    x = 407,718,969.07/19,869.68
  6. Step 6: Final answer
    x = 20,519.65

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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.