Home / 15,435.74-23,143.88-10,165.08

Finding the Fourth Proportional to 15,435.74, 23,143.88 and 10,165.08

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Solution

The fourth proportional to 15,435.74, 23,143.88 and 10,165.08 is: 15,241.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435.74 : 23,143.88 = 10,165.08 : x
  2. Step 2: Convert to fraction form
    15,435.74/23,143.88 = 10,165.08/x
  3. Step 3: Cross multiply
    15,435.74x = 23,143.88 × 10,165.08
  4. Step 4: Simplify right side
    15,435.74x = 235,259,391.71
  5. Step 5: Solve for x
    x = 235,259,391.71/15,435.74
  6. Step 6: Final answer
    x = 15,241.21

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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.