Home / 15,053.23-20,763.12-10,329.31

Finding the Fourth Proportional to 15,053.23, 20,763.12 and 10,329.31

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Solution

The fourth proportional to 15,053.23, 20,763.12 and 10,329.31 is: 14,247.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,053.23 : 20,763.12 = 10,329.31 : x
  2. Step 2: Convert to fraction form
    15,053.23/20,763.12 = 10,329.31/x
  3. Step 3: Cross multiply
    15,053.23x = 20,763.12 × 10,329.31
  4. Step 4: Simplify right side
    15,053.23x = 214,468,703.05
  5. Step 5: Solve for x
    x = 214,468,703.05/15,053.23
  6. Step 6: Final answer
    x = 14,247.35

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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.