Home / 18,853.18-28,276.10-5,702.46

Finding the Fourth Proportional to 18,853.18, 28,276.10 and 5,702.46

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Solution

The fourth proportional to 18,853.18, 28,276.10 and 5,702.46 is: 8,552.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,853.18 : 28,276.10 = 5,702.46 : x
  2. Step 2: Convert to fraction form
    18,853.18/28,276.10 = 5,702.46/x
  3. Step 3: Cross multiply
    18,853.18x = 28,276.10 × 5,702.46
  4. Step 4: Simplify right side
    18,853.18x = 161,243,329.21
  5. Step 5: Solve for x
    x = 161,243,329.21/18,853.18
  6. Step 6: Final answer
    x = 8,552.58

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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.