Home / 25,776.48-38,655.23-8,905.19

Finding the Fourth Proportional to 25,776.48, 38,655.23 and 8,905.19

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Solution

The fourth proportional to 25,776.48, 38,655.23 and 8,905.19 is: 13,354.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,776.48 : 38,655.23 = 8,905.19 : x
  2. Step 2: Convert to fraction form
    25,776.48/38,655.23 = 8,905.19/x
  3. Step 3: Cross multiply
    25,776.48x = 38,655.23 × 8,905.19
  4. Step 4: Simplify right side
    25,776.48x = 344,232,167.64
  5. Step 5: Solve for x
    x = 344,232,167.64/25,776.48
  6. Step 6: Final answer
    x = 13,354.51

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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.