Home / 17,478.07-24,119.74-9,520.32

Finding the Fourth Proportional to 17,478.07, 24,119.74 and 9,520.32

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Solution

The fourth proportional to 17,478.07, 24,119.74 and 9,520.32 is: 13,138.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,478.07 : 24,119.74 = 9,520.32 : x
  2. Step 2: Convert to fraction form
    17,478.07/24,119.74 = 9,520.32/x
  3. Step 3: Cross multiply
    17,478.07x = 24,119.74 × 9,520.32
  4. Step 4: Simplify right side
    17,478.07x = 229,627,643.12
  5. Step 5: Solve for x
    x = 229,627,643.12/17,478.07
  6. Step 6: Final answer
    x = 13,138.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.