Home / 19,113.39-28,652.79-6,798.51

Finding the Fourth Proportional to 19,113.39, 28,652.79 and 6,798.51

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Solution

The fourth proportional to 19,113.39, 28,652.79 and 6,798.51 is: 10,191.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,113.39 : 28,652.79 = 6,798.51 : x
  2. Step 2: Convert to fraction form
    19,113.39/28,652.79 = 6,798.51/x
  3. Step 3: Cross multiply
    19,113.39x = 28,652.79 × 6,798.51
  4. Step 4: Simplify right side
    19,113.39x = 194,796,279.34
  5. Step 5: Solve for x
    x = 194,796,279.34/19,113.39
  6. Step 6: Final answer
    x = 10,191.61

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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.