Home / 19,966.68-27,547.98-11,581.56

Finding the Fourth Proportional to 19,966.68, 27,547.98 and 11,581.56

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Solution

The fourth proportional to 19,966.68, 27,547.98 and 11,581.56 is: 15,979.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966.68 : 27,547.98 = 11,581.56 : x
  2. Step 2: Convert to fraction form
    19,966.68/27,547.98 = 11,581.56/x
  3. Step 3: Cross multiply
    19,966.68x = 27,547.98 × 11,581.56
  4. Step 4: Simplify right side
    19,966.68x = 319,048,583.25
  5. Step 5: Solve for x
    x = 319,048,583.25/19,966.68
  6. Step 6: Final answer
    x = 15,979.05

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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.