Home / 22,720.64-34,077.72-7,133.36

Finding the Fourth Proportional to 22,720.64, 34,077.72 and 7,133.36

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Solution

The fourth proportional to 22,720.64, 34,077.72 and 7,133.36 is: 10,699.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,720.64 : 34,077.72 = 7,133.36 : x
  2. Step 2: Convert to fraction form
    22,720.64/34,077.72 = 7,133.36/x
  3. Step 3: Cross multiply
    22,720.64x = 34,077.72 × 7,133.36
  4. Step 4: Simplify right side
    22,720.64x = 243,088,644.74
  5. Step 5: Solve for x
    x = 243,088,644.74/22,720.64
  6. Step 6: Final answer
    x = 10,699.02

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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.