Home / 15,509.25-23,259.78-6,742.17

Finding the Fourth Proportional to 15,509.25, 23,259.78 and 6,742.17

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Solution

The fourth proportional to 15,509.25, 23,259.78 and 6,742.17 is: 10,111.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,509.25 : 23,259.78 = 6,742.17 : x
  2. Step 2: Convert to fraction form
    15,509.25/23,259.78 = 6,742.17/x
  3. Step 3: Cross multiply
    15,509.25x = 23,259.78 × 6,742.17
  4. Step 4: Simplify right side
    15,509.25x = 156,821,390.92
  5. Step 5: Solve for x
    x = 156,821,390.92/15,509.25
  6. Step 6: Final answer
    x = 10,111.47

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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.