Home / 13,359.52-20,038.47-3,498.58

Finding the Fourth Proportional to 13,359.52, 20,038.47 and 3,498.58

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Solution

The fourth proportional to 13,359.52, 20,038.47 and 3,498.58 is: 5,247.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359.52 : 20,038.47 = 3,498.58 : x
  2. Step 2: Convert to fraction form
    13,359.52/20,038.47 = 3,498.58/x
  3. Step 3: Cross multiply
    13,359.52x = 20,038.47 × 3,498.58
  4. Step 4: Simplify right side
    13,359.52x = 70,106,190.37
  5. Step 5: Solve for x
    x = 70,106,190.37/13,359.52
  6. Step 6: Final answer
    x = 5,247.66

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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.