Home / 13,011.60-19,406.10-11,050.02

Finding the Fourth Proportional to 13,011.60, 19,406.10 and 11,050.02

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Solution

The fourth proportional to 13,011.60, 19,406.10 and 11,050.02 is: 16,480.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.60 : 19,406.10 = 11,050.02 : x
  2. Step 2: Convert to fraction form
    13,011.60/19,406.10 = 11,050.02/x
  3. Step 3: Cross multiply
    13,011.60x = 19,406.10 × 11,050.02
  4. Step 4: Simplify right side
    13,011.60x = 214,437,793.12
  5. Step 5: Solve for x
    x = 214,437,793.12/13,011.60
  6. Step 6: Final answer
    x = 16,480.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.