Home / 22,512.37-31,066.63-12,440.59

Finding the Fourth Proportional to 22,512.37, 31,066.63 and 12,440.59

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Solution

The fourth proportional to 22,512.37, 31,066.63 and 12,440.59 is: 17,167.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,512.37 : 31,066.63 = 12,440.59 : x
  2. Step 2: Convert to fraction form
    22,512.37/31,066.63 = 12,440.59/x
  3. Step 3: Cross multiply
    22,512.37x = 31,066.63 × 12,440.59
  4. Step 4: Simplify right side
    22,512.37x = 386,487,051.18
  5. Step 5: Solve for x
    x = 386,487,051.18/22,512.37
  6. Step 6: Final answer
    x = 17,167.77

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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.