Home / 20,924.01-31,390.63-6,888.35

Finding the Fourth Proportional to 20,924.01, 31,390.63 and 6,888.35

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Solution

The fourth proportional to 20,924.01, 31,390.63 and 6,888.35 is: 10,334.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,924.01 : 31,390.63 = 6,888.35 : x
  2. Step 2: Convert to fraction form
    20,924.01/31,390.63 = 6,888.35/x
  3. Step 3: Cross multiply
    20,924.01x = 31,390.63 × 6,888.35
  4. Step 4: Simplify right side
    20,924.01x = 216,229,454.77
  5. Step 5: Solve for x
    x = 216,229,454.77/20,924.01
  6. Step 6: Final answer
    x = 10,334.04

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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.