Home / 18,113.51-27,171.98-5,630.16

Finding the Fourth Proportional to 18,113.51, 27,171.98 and 5,630.16

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Solution

The fourth proportional to 18,113.51, 27,171.98 and 5,630.16 is: 8,445.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113.51 : 27,171.98 = 5,630.16 : x
  2. Step 2: Convert to fraction form
    18,113.51/27,171.98 = 5,630.16/x
  3. Step 3: Cross multiply
    18,113.51x = 27,171.98 × 5,630.16
  4. Step 4: Simplify right side
    18,113.51x = 152,982,566.77
  5. Step 5: Solve for x
    x = 152,982,566.77/18,113.51
  6. Step 6: Final answer
    x = 8,445.77

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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.