Home / 18,816.64-25,907.52-16,570.24

Finding the Fourth Proportional to 18,816.64, 25,907.52 and 16,570.24

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Solution

The fourth proportional to 18,816.64, 25,907.52 and 16,570.24 is: 22,814.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816.64 : 25,907.52 = 16,570.24 : x
  2. Step 2: Convert to fraction form
    18,816.64/25,907.52 = 16,570.24/x
  3. Step 3: Cross multiply
    18,816.64x = 25,907.52 × 16,570.24
  4. Step 4: Simplify right side
    18,816.64x = 429,293,824.20
  5. Step 5: Solve for x
    x = 429,293,824.20/18,816.64
  6. Step 6: Final answer
    x = 22,814.58

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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.