Home / 19,618.49-27,074.04-10,666.59

Finding the Fourth Proportional to 19,618.49, 27,074.04 and 10,666.59

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Solution

The fourth proportional to 19,618.49, 27,074.04 and 10,666.59 is: 14,720.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.49 : 27,074.04 = 10,666.59 : x
  2. Step 2: Convert to fraction form
    19,618.49/27,074.04 = 10,666.59/x
  3. Step 3: Cross multiply
    19,618.49x = 27,074.04 × 10,666.59
  4. Step 4: Simplify right side
    19,618.49x = 288,787,684.32
  5. Step 5: Solve for x
    x = 288,787,684.32/19,618.49
  6. Step 6: Final answer
    x = 14,720.18

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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.