Home / 18,886.32-28,307.52-16,699.32

Finding the Fourth Proportional to 18,886.32, 28,307.52 and 16,699.32

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Solution

The fourth proportional to 18,886.32, 28,307.52 and 16,699.32 is: 25,029.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,886.32 : 28,307.52 = 16,699.32 : x
  2. Step 2: Convert to fraction form
    18,886.32/28,307.52 = 16,699.32/x
  3. Step 3: Cross multiply
    18,886.32x = 28,307.52 × 16,699.32
  4. Step 4: Simplify right side
    18,886.32x = 472,716,334.89
  5. Step 5: Solve for x
    x = 472,716,334.89/18,886.32
  6. Step 6: Final answer
    x = 25,029.56

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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.