Home / 40,012.89-59,973.78-13,352.63

Finding the Fourth Proportional to 40,012.89, 59,973.78 and 13,352.63

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Solution

The fourth proportional to 40,012.89, 59,973.78 and 13,352.63 is: 20,013.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,012.89 : 59,973.78 = 13,352.63 : x
  2. Step 2: Convert to fraction form
    40,012.89/59,973.78 = 13,352.63/x
  3. Step 3: Cross multiply
    40,012.89x = 59,973.78 × 13,352.63
  4. Step 4: Simplify right side
    40,012.89x = 800,807,394.17
  5. Step 5: Solve for x
    x = 800,807,394.17/40,012.89
  6. Step 6: Final answer
    x = 20,013.74

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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.