Home / 20,925.01-31,360.83-9,807.18

Finding the Fourth Proportional to 20,925.01, 31,360.83 and 9,807.18

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Solution

The fourth proportional to 20,925.01, 31,360.83 and 9,807.18 is: 14,698.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,925.01 : 31,360.83 = 9,807.18 : x
  2. Step 2: Convert to fraction form
    20,925.01/31,360.83 = 9,807.18/x
  3. Step 3: Cross multiply
    20,925.01x = 31,360.83 × 9,807.18
  4. Step 4: Simplify right side
    20,925.01x = 307,561,304.76
  5. Step 5: Solve for x
    x = 307,561,304.76/20,925.01
  6. Step 6: Final answer
    x = 14,698.26

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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.