Home / 19,961.91-27,547.02-11,010.20

Finding the Fourth Proportional to 19,961.91, 27,547.02 and 11,010.20

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Solution

The fourth proportional to 19,961.91, 27,547.02 and 11,010.20 is: 15,193.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.91 : 27,547.02 = 11,010.20 : x
  2. Step 2: Convert to fraction form
    19,961.91/27,547.02 = 11,010.20/x
  3. Step 3: Cross multiply
    19,961.91x = 27,547.02 × 11,010.20
  4. Step 4: Simplify right side
    19,961.91x = 303,298,061.87
  5. Step 5: Solve for x
    x = 303,298,061.87/19,961.91
  6. Step 6: Final answer
    x = 15,193.84

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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.