Home / 42,283.01-63,424.04-12,699.59

Finding the Fourth Proportional to 42,283.01, 63,424.04 and 12,699.59

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Solution

The fourth proportional to 42,283.01, 63,424.04 and 12,699.59 is: 19,049.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,283.01 : 63,424.04 = 12,699.59 : x
  2. Step 2: Convert to fraction form
    42,283.01/63,424.04 = 12,699.59/x
  3. Step 3: Cross multiply
    42,283.01x = 63,424.04 × 12,699.59
  4. Step 4: Simplify right side
    42,283.01x = 805,458,923.53
  5. Step 5: Solve for x
    x = 805,458,923.53/42,283.01
  6. Step 6: Final answer
    x = 19,049.23

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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.