Home / 20,925.01-31,392.11-6,884.47

Finding the Fourth Proportional to 20,925.01, 31,392.11 and 6,884.47

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Solution

The fourth proportional to 20,925.01, 31,392.11 and 6,884.47 is: 10,328.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,925.01 : 31,392.11 = 6,884.47 : x
  2. Step 2: Convert to fraction form
    20,925.01/31,392.11 = 6,884.47/x
  3. Step 3: Cross multiply
    20,925.01x = 31,392.11 × 6,884.47
  4. Step 4: Simplify right side
    20,925.01x = 216,117,978.26
  5. Step 5: Solve for x
    x = 216,117,978.26/20,925.01
  6. Step 6: Final answer
    x = 10,328.22

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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.