Home / 25,861.14-35,689.90-19,476.47

Finding the Fourth Proportional to 25,861.14, 35,689.90 and 19,476.47

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Solution

The fourth proportional to 25,861.14, 35,689.90 and 19,476.47 is: 26,878.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,861.14 : 35,689.90 = 19,476.47 : x
  2. Step 2: Convert to fraction form
    25,861.14/35,689.90 = 19,476.47/x
  3. Step 3: Cross multiply
    25,861.14x = 35,689.90 × 19,476.47
  4. Step 4: Simplify right side
    25,861.14x = 695,113,142.95
  5. Step 5: Solve for x
    x = 695,113,142.95/25,861.14
  6. Step 6: Final answer
    x = 26,878.67

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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.