Home / 19,315.62-26,649.34-10,816.48

Finding the Fourth Proportional to 19,315.62, 26,649.34 and 10,816.48

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Solution

The fourth proportional to 19,315.62, 26,649.34 and 10,816.48 is: 14,923.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315.62 : 26,649.34 = 10,816.48 : x
  2. Step 2: Convert to fraction form
    19,315.62/26,649.34 = 10,816.48/x
  3. Step 3: Cross multiply
    19,315.62x = 26,649.34 × 10,816.48
  4. Step 4: Simplify right side
    19,315.62x = 288,252,053.12
  5. Step 5: Solve for x
    x = 288,252,053.12/19,315.62
  6. Step 6: Final answer
    x = 14,923.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.