Home / 22,071.86-30,458.51-12,512.63

Finding the Fourth Proportional to 22,071.86, 30,458.51 and 12,512.63

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Solution

The fourth proportional to 22,071.86, 30,458.51 and 12,512.63 is: 17,267.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,071.86 : 30,458.51 = 12,512.63 : x
  2. Step 2: Convert to fraction form
    22,071.86/30,458.51 = 12,512.63/x
  3. Step 3: Cross multiply
    22,071.86x = 30,458.51 × 12,512.63
  4. Step 4: Simplify right side
    22,071.86x = 381,115,851.13
  5. Step 5: Solve for x
    x = 381,115,851.13/22,071.86
  6. Step 6: Final answer
    x = 17,267.05

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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.