Home / 25,551.42-38,328.96-8,909.36

Finding the Fourth Proportional to 25,551.42, 38,328.96 and 8,909.36

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Solution

The fourth proportional to 25,551.42, 38,328.96 and 8,909.36 is: 13,364.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,551.42 : 38,328.96 = 8,909.36 : x
  2. Step 2: Convert to fraction form
    25,551.42/38,328.96 = 8,909.36/x
  3. Step 3: Cross multiply
    25,551.42x = 38,328.96 × 8,909.36
  4. Step 4: Simplify right side
    25,551.42x = 341,486,503.07
  5. Step 5: Solve for x
    x = 341,486,503.07/25,551.42
  6. Step 6: Final answer
    x = 13,364.68

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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.