Home / 19,322.64-28,937.52-10,535.76

Finding the Fourth Proportional to 19,322.64, 28,937.52 and 10,535.76

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Solution

The fourth proportional to 19,322.64, 28,937.52 and 10,535.76 is: 15,778.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,322.64 : 28,937.52 = 10,535.76 : x
  2. Step 2: Convert to fraction form
    19,322.64/28,937.52 = 10,535.76/x
  3. Step 3: Cross multiply
    19,322.64x = 28,937.52 × 10,535.76
  4. Step 4: Simplify right side
    19,322.64x = 304,878,765.72
  5. Step 5: Solve for x
    x = 304,878,765.72/19,322.64
  6. Step 6: Final answer
    x = 15,778.32

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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.