Home / 15,138.29-22,703.95-5,774.90

Finding the Fourth Proportional to 15,138.29, 22,703.95 and 5,774.90

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Solution

The fourth proportional to 15,138.29, 22,703.95 and 5,774.90 is: 8,661.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138.29 : 22,703.95 = 5,774.90 : x
  2. Step 2: Convert to fraction form
    15,138.29/22,703.95 = 5,774.90/x
  3. Step 3: Cross multiply
    15,138.29x = 22,703.95 × 5,774.90
  4. Step 4: Simplify right side
    15,138.29x = 131,112,902.07
  5. Step 5: Solve for x
    x = 131,112,902.07/15,138.29
  6. Step 6: Final answer
    x = 8,661.01

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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.