Home / 13,354.61-20,031.93-5,036.50

Finding the Fourth Proportional to 13,354.61, 20,031.93 and 5,036.50

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Solution

The fourth proportional to 13,354.61, 20,031.93 and 5,036.50 is: 7,554.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354.61 : 20,031.93 = 5,036.50 : x
  2. Step 2: Convert to fraction form
    13,354.61/20,031.93 = 5,036.50/x
  3. Step 3: Cross multiply
    13,354.61x = 20,031.93 × 5,036.50
  4. Step 4: Simplify right side
    13,354.61x = 100,890,815.45
  5. Step 5: Solve for x
    x = 100,890,815.45/13,354.61
  6. Step 6: Final answer
    x = 7,554.76

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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.