Home / 19,641.51-29,470.13-7,162.45

Finding the Fourth Proportional to 19,641.51, 29,470.13 and 7,162.45

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Solution

The fourth proportional to 19,641.51, 29,470.13 and 7,162.45 is: 10,746.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,641.51 : 29,470.13 = 7,162.45 : x
  2. Step 2: Convert to fraction form
    19,641.51/29,470.13 = 7,162.45/x
  3. Step 3: Cross multiply
    19,641.51x = 29,470.13 × 7,162.45
  4. Step 4: Simplify right side
    19,641.51x = 211,078,332.62
  5. Step 5: Solve for x
    x = 211,078,332.62/19,641.51
  6. Step 6: Final answer
    x = 10,746.54

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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.