Home / 25,343.42-38,015.90-8,703.22

Finding the Fourth Proportional to 25,343.42, 38,015.90 and 8,703.22

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Solution

The fourth proportional to 25,343.42, 38,015.90 and 8,703.22 is: 13,055.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,343.42 : 38,015.90 = 8,703.22 : x
  2. Step 2: Convert to fraction form
    25,343.42/38,015.90 = 8,703.22/x
  3. Step 3: Cross multiply
    25,343.42x = 38,015.90 × 8,703.22
  4. Step 4: Simplify right side
    25,343.42x = 330,860,741.20
  5. Step 5: Solve for x
    x = 330,860,741.20/25,343.42
  6. Step 6: Final answer
    x = 13,055.09

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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.