Home / 22,618.76-31,214.93-12,546.63

Finding the Fourth Proportional to 22,618.76, 31,214.93 and 12,546.63

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Solution

The fourth proportional to 22,618.76, 31,214.93 and 12,546.63 is: 17,314.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,618.76 : 31,214.93 = 12,546.63 : x
  2. Step 2: Convert to fraction form
    22,618.76/31,214.93 = 12,546.63/x
  3. Step 3: Cross multiply
    22,618.76x = 31,214.93 × 12,546.63
  4. Step 4: Simplify right side
    22,618.76x = 391,642,114.45
  5. Step 5: Solve for x
    x = 391,642,114.45/22,618.76
  6. Step 6: Final answer
    x = 17,314.93

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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.