Home / 15,811.47-23,717.34-4,718.25

Finding the Fourth Proportional to 15,811.47, 23,717.34 and 4,718.25

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Solution

The fourth proportional to 15,811.47, 23,717.34 and 4,718.25 is: 7,077.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,811.47 : 23,717.34 = 4,718.25 : x
  2. Step 2: Convert to fraction form
    15,811.47/23,717.34 = 4,718.25/x
  3. Step 3: Cross multiply
    15,811.47x = 23,717.34 × 4,718.25
  4. Step 4: Simplify right side
    15,811.47x = 111,904,339.46
  5. Step 5: Solve for x
    x = 111,904,339.46/15,811.47
  6. Step 6: Final answer
    x = 7,077.42

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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.