Home / 19,178.45-28,730.01-17,088.65

Finding the Fourth Proportional to 19,178.45, 28,730.01 and 17,088.65

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Solution

The fourth proportional to 19,178.45, 28,730.01 and 17,088.65 is: 25,599.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178.45 : 28,730.01 = 17,088.65 : x
  2. Step 2: Convert to fraction form
    19,178.45/28,730.01 = 17,088.65/x
  3. Step 3: Cross multiply
    19,178.45x = 28,730.01 × 17,088.65
  4. Step 4: Simplify right side
    19,178.45x = 490,957,085.39
  5. Step 5: Solve for x
    x = 490,957,085.39/19,178.45
  6. Step 6: Final answer
    x = 25,599.41

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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.