Home / 13,599.18-20,393.64-4,712.31

Finding the Fourth Proportional to 13,599.18, 20,393.64 and 4,712.31

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Solution

The fourth proportional to 13,599.18, 20,393.64 and 4,712.31 is: 7,066.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.18 : 20,393.64 = 4,712.31 : x
  2. Step 2: Convert to fraction form
    13,599.18/20,393.64 = 4,712.31/x
  3. Step 3: Cross multiply
    13,599.18x = 20,393.64 × 4,712.31
  4. Step 4: Simplify right side
    13,599.18x = 96,101,153.71
  5. Step 5: Solve for x
    x = 96,101,153.71/13,599.18
  6. Step 6: Final answer
    x = 7,066.69

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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.