Home / 18,223.21-25,148.86-10,157.39

Finding the Fourth Proportional to 18,223.21, 25,148.86 and 10,157.39

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Solution

The fourth proportional to 18,223.21, 25,148.86 and 10,157.39 is: 14,017.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223.21 : 25,148.86 = 10,157.39 : x
  2. Step 2: Convert to fraction form
    18,223.21/25,148.86 = 10,157.39/x
  3. Step 3: Cross multiply
    18,223.21x = 25,148.86 × 10,157.39
  4. Step 4: Simplify right side
    18,223.21x = 255,446,779.38
  5. Step 5: Solve for x
    x = 255,446,779.38/18,223.21
  6. Step 6: Final answer
    x = 14,017.66

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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.