Home / 20,159.12-27,848.03-16,152.56

Finding the Fourth Proportional to 20,159.12, 27,848.03 and 16,152.56

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Solution

The fourth proportional to 20,159.12, 27,848.03 and 16,152.56 is: 22,313.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159.12 : 27,848.03 = 16,152.56 : x
  2. Step 2: Convert to fraction form
    20,159.12/27,848.03 = 16,152.56/x
  3. Step 3: Cross multiply
    20,159.12x = 27,848.03 × 16,152.56
  4. Step 4: Simplify right side
    20,159.12x = 449,816,975.46
  5. Step 5: Solve for x
    x = 449,816,975.46/20,159.12
  6. Step 6: Final answer
    x = 22,313.32

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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.