Home / 18,148.26-24,987.30-16,487.30

Finding the Fourth Proportional to 18,148.26, 24,987.30 and 16,487.30

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Solution

The fourth proportional to 18,148.26, 24,987.30 and 16,487.30 is: 22,700.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148.26 : 24,987.30 = 16,487.30 : x
  2. Step 2: Convert to fraction form
    18,148.26/24,987.30 = 16,487.30/x
  3. Step 3: Cross multiply
    18,148.26x = 24,987.30 × 16,487.30
  4. Step 4: Simplify right side
    18,148.26x = 411,973,111.29
  5. Step 5: Solve for x
    x = 411,973,111.29/18,148.26
  6. Step 6: Final answer
    x = 22,700.42

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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.