Home / 15,435.64-23,122.46-7,104.08

Finding the Fourth Proportional to 15,435.64, 23,122.46 and 7,104.08

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Solution

The fourth proportional to 15,435.64, 23,122.46 and 7,104.08 is: 10,641.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435.64 : 23,122.46 = 7,104.08 : x
  2. Step 2: Convert to fraction form
    15,435.64/23,122.46 = 7,104.08/x
  3. Step 3: Cross multiply
    15,435.64x = 23,122.46 × 7,104.08
  4. Step 4: Simplify right side
    15,435.64x = 164,263,805.64
  5. Step 5: Solve for x
    x = 164,263,805.64/15,435.64
  6. Step 6: Final answer
    x = 10,641.85

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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.