Home / 19,618.71-27,073.88-10,666.22

Finding the Fourth Proportional to 19,618.71, 27,073.88 and 10,666.22

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Solution

The fourth proportional to 19,618.71, 27,073.88 and 10,666.22 is: 14,719.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.71 : 27,073.88 = 10,666.22 : x
  2. Step 2: Convert to fraction form
    19,618.71/27,073.88 = 10,666.22/x
  3. Step 3: Cross multiply
    19,618.71x = 27,073.88 × 10,666.22
  4. Step 4: Simplify right side
    19,618.71x = 288,775,811.63
  5. Step 5: Solve for x
    x = 288,775,811.63/19,618.71
  6. Step 6: Final answer
    x = 14,719.41

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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.