Home / 18,938.34-26,132.22-10,554.84

Finding the Fourth Proportional to 18,938.34, 26,132.22 and 10,554.84

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Solution

The fourth proportional to 18,938.34, 26,132.22 and 10,554.84 is: 14,564.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,938.34 : 26,132.22 = 10,554.84 : x
  2. Step 2: Convert to fraction form
    18,938.34/26,132.22 = 10,554.84/x
  3. Step 3: Cross multiply
    18,938.34x = 26,132.22 × 10,554.84
  4. Step 4: Simplify right side
    18,938.34x = 275,821,400.94
  5. Step 5: Solve for x
    x = 275,821,400.94/18,938.34
  6. Step 6: Final answer
    x = 14,564.18

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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.