Home / 20,853.36-31,281.48-6,062.40

Finding the Fourth Proportional to 20,853.36, 31,281.48 and 6,062.40

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Solution

The fourth proportional to 20,853.36, 31,281.48 and 6,062.40 is: 9,094.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,853.36 : 31,281.48 = 6,062.40 : x
  2. Step 2: Convert to fraction form
    20,853.36/31,281.48 = 6,062.40/x
  3. Step 3: Cross multiply
    20,853.36x = 31,281.48 × 6,062.40
  4. Step 4: Simplify right side
    20,853.36x = 189,640,844.35
  5. Step 5: Solve for x
    x = 189,640,844.35/20,853.36
  6. Step 6: Final answer
    x = 9,094.02

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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.