Home / 19,080.77-28,622.52-5,040.66

Finding the Fourth Proportional to 19,080.77, 28,622.52 and 5,040.66

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Solution

The fourth proportional to 19,080.77, 28,622.52 and 5,040.66 is: 7,561.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,080.77 : 28,622.52 = 5,040.66 : x
  2. Step 2: Convert to fraction form
    19,080.77/28,622.52 = 5,040.66/x
  3. Step 3: Cross multiply
    19,080.77x = 28,622.52 × 5,040.66
  4. Step 4: Simplify right side
    19,080.77x = 144,276,391.66
  5. Step 5: Solve for x
    x = 144,276,391.66/19,080.77
  6. Step 6: Final answer
    x = 7,561.35

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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.