Home / 13,886.20-19,162.80-7,598.50

Finding the Fourth Proportional to 13,886.20, 19,162.80 and 7,598.50

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Solution

The fourth proportional to 13,886.20, 19,162.80 and 7,598.50 is: 10,485.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886.20 : 19,162.80 = 7,598.50 : x
  2. Step 2: Convert to fraction form
    13,886.20/19,162.80 = 7,598.50/x
  3. Step 3: Cross multiply
    13,886.20x = 19,162.80 × 7,598.50
  4. Step 4: Simplify right side
    13,886.20x = 145,608,535.80
  5. Step 5: Solve for x
    x = 145,608,535.80/13,886.20
  6. Step 6: Final answer
    x = 10,485.84

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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.