Home / 22,110.60-33,157.10-7,315.40

Finding the Fourth Proportional to 22,110.60, 33,157.10 and 7,315.40

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Solution

The fourth proportional to 22,110.60, 33,157.10 and 7,315.40 is: 10,970.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.60 : 33,157.10 = 7,315.40 : x
  2. Step 2: Convert to fraction form
    22,110.60/33,157.10 = 7,315.40/x
  3. Step 3: Cross multiply
    22,110.60x = 33,157.10 × 7,315.40
  4. Step 4: Simplify right side
    22,110.60x = 242,557,449.34
  5. Step 5: Solve for x
    x = 242,557,449.34/22,110.60
  6. Step 6: Final answer
    x = 10,970.19

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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.