Home / 19,087.59-28,628.13-5,047.77

Finding the Fourth Proportional to 19,087.59, 28,628.13 and 5,047.77

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Solution

The fourth proportional to 19,087.59, 28,628.13 and 5,047.77 is: 7,570.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,087.59 : 28,628.13 = 5,047.77 : x
  2. Step 2: Convert to fraction form
    19,087.59/28,628.13 = 5,047.77/x
  3. Step 3: Cross multiply
    19,087.59x = 28,628.13 × 5,047.77
  4. Step 4: Simplify right side
    19,087.59x = 144,508,215.77
  5. Step 5: Solve for x
    x = 144,508,215.77/19,087.59
  6. Step 6: Final answer
    x = 7,570.79

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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.