Home / 23,145.80-34,718.43-7,350.40

Finding the Fourth Proportional to 23,145.80, 34,718.43 and 7,350.40

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Solution

The fourth proportional to 23,145.80, 34,718.43 and 7,350.40 is: 11,025.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,145.80 : 34,718.43 = 7,350.40 : x
  2. Step 2: Convert to fraction form
    23,145.80/34,718.43 = 7,350.40/x
  3. Step 3: Cross multiply
    23,145.80x = 34,718.43 × 7,350.40
  4. Step 4: Simplify right side
    23,145.80x = 255,194,347.87
  5. Step 5: Solve for x
    x = 255,194,347.87/23,145.80
  6. Step 6: Final answer
    x = 11,025.51

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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.