Home / 19,802.32-27,327.20-10,849.64

Finding the Fourth Proportional to 19,802.32, 27,327.20 and 10,849.64

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Solution

The fourth proportional to 19,802.32, 27,327.20 and 10,849.64 is: 14,972.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,802.32 : 27,327.20 = 10,849.64 : x
  2. Step 2: Convert to fraction form
    19,802.32/27,327.20 = 10,849.64/x
  3. Step 3: Cross multiply
    19,802.32x = 27,327.20 × 10,849.64
  4. Step 4: Simplify right side
    19,802.32x = 296,490,282.21
  5. Step 5: Solve for x
    x = 296,490,282.21/19,802.32
  6. Step 6: Final answer
    x = 14,972.50

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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.