Home / 13,089.80-18,060.84-8,848.76

Finding the Fourth Proportional to 13,089.80, 18,060.84 and 8,848.76

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Solution

The fourth proportional to 13,089.80, 18,060.84 and 8,848.76 is: 12,209.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089.80 : 18,060.84 = 8,848.76 : x
  2. Step 2: Convert to fraction form
    13,089.80/18,060.84 = 8,848.76/x
  3. Step 3: Cross multiply
    13,089.80x = 18,060.84 × 8,848.76
  4. Step 4: Simplify right side
    13,089.80x = 159,816,038.56
  5. Step 5: Solve for x
    x = 159,816,038.56/13,089.80
  6. Step 6: Final answer
    x = 12,209.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.