Home / 25,646.58-38,446.99-13,806.74

Finding the Fourth Proportional to 25,646.58, 38,446.99 and 13,806.74

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Solution

The fourth proportional to 25,646.58, 38,446.99 and 13,806.74 is: 20,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,646.58 : 38,446.99 = 13,806.74 : x
  2. Step 2: Convert to fraction form
    25,646.58/38,446.99 = 13,806.74/x
  3. Step 3: Cross multiply
    25,646.58x = 38,446.99 × 13,806.74
  4. Step 4: Simplify right side
    25,646.58x = 530,827,656.31
  5. Step 5: Solve for x
    x = 530,827,656.31/25,646.58
  6. Step 6: Final answer
    x = 20,697.80

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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.