Home / 13,526.15-20,290.84-4,761.95

Finding the Fourth Proportional to 13,526.15, 20,290.84 and 4,761.95

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Solution

The fourth proportional to 13,526.15, 20,290.84 and 4,761.95 is: 7,143.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.15 : 20,290.84 = 4,761.95 : x
  2. Step 2: Convert to fraction form
    13,526.15/20,290.84 = 4,761.95/x
  3. Step 3: Cross multiply
    13,526.15x = 20,290.84 × 4,761.95
  4. Step 4: Simplify right side
    13,526.15x = 96,623,852.18
  5. Step 5: Solve for x
    x = 96,623,852.18/13,526.15
  6. Step 6: Final answer
    x = 7,143.49

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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.