Home / 19,253.57-28,946.23-17,810.69

Finding the Fourth Proportional to 19,253.57, 28,946.23 and 17,810.69

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Solution

The fourth proportional to 19,253.57, 28,946.23 and 17,810.69 is: 26,776.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,253.57 : 28,946.23 = 17,810.69 : x
  2. Step 2: Convert to fraction form
    19,253.57/28,946.23 = 17,810.69/x
  3. Step 3: Cross multiply
    19,253.57x = 28,946.23 × 17,810.69
  4. Step 4: Simplify right side
    19,253.57x = 515,552,139.94
  5. Step 5: Solve for x
    x = 515,552,139.94/19,253.57
  6. Step 6: Final answer
    x = 26,776.97

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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.