Home / 13,665.48-20,500.95-4,901.07

Finding the Fourth Proportional to 13,665.48, 20,500.95 and 4,901.07

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Solution

The fourth proportional to 13,665.48, 20,500.95 and 4,901.07 is: 7,352.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665.48 : 20,500.95 = 4,901.07 : x
  2. Step 2: Convert to fraction form
    13,665.48/20,500.95 = 4,901.07/x
  3. Step 3: Cross multiply
    13,665.48x = 20,500.95 × 4,901.07
  4. Step 4: Simplify right side
    13,665.48x = 100,476,591.02
  5. Step 5: Solve for x
    x = 100,476,591.02/13,665.48
  6. Step 6: Final answer
    x = 7,352.58

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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.