Home / 19,303.40-28,954.80-6,155.69

Finding the Fourth Proportional to 19,303.40, 28,954.80 and 6,155.69

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Solution

The fourth proportional to 19,303.40, 28,954.80 and 6,155.69 is: 9,233.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.40 : 28,954.80 = 6,155.69 : x
  2. Step 2: Convert to fraction form
    19,303.40/28,954.80 = 6,155.69/x
  3. Step 3: Cross multiply
    19,303.40x = 28,954.80 × 6,155.69
  4. Step 4: Simplify right side
    19,303.40x = 178,236,628.04
  5. Step 5: Solve for x
    x = 178,236,628.04/19,303.40
  6. Step 6: Final answer
    x = 9,233.43

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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.