Home / 19,802.59-27,320.85-11,298.61

Finding the Fourth Proportional to 19,802.59, 27,320.85 and 11,298.61

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Solution

The fourth proportional to 19,802.59, 27,320.85 and 11,298.61 is: 15,588.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,802.59 : 27,320.85 = 11,298.61 : x
  2. Step 2: Convert to fraction form
    19,802.59/27,320.85 = 11,298.61/x
  3. Step 3: Cross multiply
    19,802.59x = 27,320.85 × 11,298.61
  4. Step 4: Simplify right side
    19,802.59x = 308,687,629.02
  5. Step 5: Solve for x
    x = 308,687,629.02/19,802.59
  6. Step 6: Final answer
    x = 15,588.25

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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.