Home / 18,818.54-28,223.25-6,335.32

Finding the Fourth Proportional to 18,818.54, 28,223.25 and 6,335.32

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Solution

The fourth proportional to 18,818.54, 28,223.25 and 6,335.32 is: 9,501.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,818.54 : 28,223.25 = 6,335.32 : x
  2. Step 2: Convert to fraction form
    18,818.54/28,223.25 = 6,335.32/x
  3. Step 3: Cross multiply
    18,818.54x = 28,223.25 × 6,335.32
  4. Step 4: Simplify right side
    18,818.54x = 178,803,320.19
  5. Step 5: Solve for x
    x = 178,803,320.19/18,818.54
  6. Step 6: Final answer
    x = 9,501.44

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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.