Home / 19,322.48-28,983.72-10,086.32

Finding the Fourth Proportional to 19,322.48, 28,983.72 and 10,086.32

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Solution

The fourth proportional to 19,322.48, 28,983.72 and 10,086.32 is: 15,129.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,322.48 : 28,983.72 = 10,086.32 : x
  2. Step 2: Convert to fraction form
    19,322.48/28,983.72 = 10,086.32/x
  3. Step 3: Cross multiply
    19,322.48x = 28,983.72 × 10,086.32
  4. Step 4: Simplify right side
    19,322.48x = 292,339,074.71
  5. Step 5: Solve for x
    x = 292,339,074.71/19,322.48
  6. Step 6: Final answer
    x = 15,129.48

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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.