Home / 22,047.73-30,427.40-12,487.51

Finding the Fourth Proportional to 22,047.73, 30,427.40 and 12,487.51

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Solution

The fourth proportional to 22,047.73, 30,427.40 and 12,487.51 is: 17,233.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,047.73 : 30,427.40 = 12,487.51 : x
  2. Step 2: Convert to fraction form
    22,047.73/30,427.40 = 12,487.51/x
  3. Step 3: Cross multiply
    22,047.73x = 30,427.40 × 12,487.51
  4. Step 4: Simplify right side
    22,047.73x = 379,962,461.77
  5. Step 5: Solve for x
    x = 379,962,461.77/22,047.73
  6. Step 6: Final answer
    x = 17,233.63

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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.