Home / 15,139.63-22,699.73-10,446.49

Finding the Fourth Proportional to 15,139.63, 22,699.73 and 10,446.49

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Solution

The fourth proportional to 15,139.63, 22,699.73 and 10,446.49 is: 15,663.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,139.63 : 22,699.73 = 10,446.49 : x
  2. Step 2: Convert to fraction form
    15,139.63/22,699.73 = 10,446.49/x
  3. Step 3: Cross multiply
    15,139.63x = 22,699.73 × 10,446.49
  4. Step 4: Simplify right side
    15,139.63x = 237,132,450.22
  5. Step 5: Solve for x
    x = 237,132,450.22/15,139.63
  6. Step 6: Final answer
    x = 15,663.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.