Home / 14,836.80-20,482.08-10,145.60

Finding the Fourth Proportional to 14,836.80, 20,482.08 and 10,145.60

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Solution

The fourth proportional to 14,836.80, 20,482.08 and 10,145.60 is: 14,005.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,836.80 : 20,482.08 = 10,145.60 : x
  2. Step 2: Convert to fraction form
    14,836.80/20,482.08 = 10,145.60/x
  3. Step 3: Cross multiply
    14,836.80x = 20,482.08 × 10,145.60
  4. Step 4: Simplify right side
    14,836.80x = 207,802,990.85
  5. Step 5: Solve for x
    x = 207,802,990.85/14,836.80
  6. Step 6: Final answer
    x = 14,005.92

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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.