Home / 19,042.91-28,568.54-5,715.35

Finding the Fourth Proportional to 19,042.91, 28,568.54 and 5,715.35

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Solution

The fourth proportional to 19,042.91, 28,568.54 and 5,715.35 is: 8,574.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,042.91 : 28,568.54 = 5,715.35 : x
  2. Step 2: Convert to fraction form
    19,042.91/28,568.54 = 5,715.35/x
  3. Step 3: Cross multiply
    19,042.91x = 28,568.54 × 5,715.35
  4. Step 4: Simplify right side
    19,042.91x = 163,279,176.51
  5. Step 5: Solve for x
    x = 163,279,176.51/19,042.91
  6. Step 6: Final answer
    x = 8,574.28

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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.