Home / 19,033.20-28,533.02-7,338.40

Finding the Fourth Proportional to 19,033.20, 28,533.02 and 7,338.40

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Solution

The fourth proportional to 19,033.20, 28,533.02 and 7,338.40 is: 11,001.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,033.20 : 28,533.02 = 7,338.40 : x
  2. Step 2: Convert to fraction form
    19,033.20/28,533.02 = 7,338.40/x
  3. Step 3: Cross multiply
    19,033.20x = 28,533.02 × 7,338.40
  4. Step 4: Simplify right side
    19,033.20x = 209,386,713.97
  5. Step 5: Solve for x
    x = 209,386,713.97/19,033.20
  6. Step 6: Final answer
    x = 11,001.13

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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.