Home / 43,285.23-64,931.54-15,202.84

Finding the Fourth Proportional to 43,285.23, 64,931.54 and 15,202.84

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Solution

The fourth proportional to 43,285.23, 64,931.54 and 15,202.84 is: 22,805.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,285.23 : 64,931.54 = 15,202.84 : x
  2. Step 2: Convert to fraction form
    43,285.23/64,931.54 = 15,202.84/x
  3. Step 3: Cross multiply
    43,285.23x = 64,931.54 × 15,202.84
  4. Step 4: Simplify right side
    43,285.23x = 987,143,689.25
  5. Step 5: Solve for x
    x = 987,143,689.25/43,285.23
  6. Step 6: Final answer
    x = 22,805.55

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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.