Home / 54,347.60-81,521.40-14,908.16

Finding the Fourth Proportional to 54,347.60, 81,521.40 and 14,908.16

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Solution

The fourth proportional to 54,347.60, 81,521.40 and 14,908.16 is: 22,362.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,347.60 : 81,521.40 = 14,908.16 : x
  2. Step 2: Convert to fraction form
    54,347.60/81,521.40 = 14,908.16/x
  3. Step 3: Cross multiply
    54,347.60x = 81,521.40 × 14,908.16
  4. Step 4: Simplify right side
    54,347.60x = 1,215,334,074.62
  5. Step 5: Solve for x
    x = 1,215,334,074.62/54,347.60
  6. Step 6: Final answer
    x = 22,362.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.