Home / 42,962.70-64,405.14-15,254.22

Finding the Fourth Proportional to 42,962.70, 64,405.14 and 15,254.22

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Solution

The fourth proportional to 42,962.70, 64,405.14 and 15,254.22 is: 22,867.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,962.70 : 64,405.14 = 15,254.22 : x
  2. Step 2: Convert to fraction form
    42,962.70/64,405.14 = 15,254.22/x
  3. Step 3: Cross multiply
    42,962.70x = 64,405.14 × 15,254.22
  4. Step 4: Simplify right side
    42,962.70x = 982,450,174.69
  5. Step 5: Solve for x
    x = 982,450,174.69/42,962.70
  6. Step 6: Final answer
    x = 22,867.51

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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.