Home / 26,419.17-36,457.09-15,086.45

Finding the Fourth Proportional to 26,419.17, 36,457.09 and 15,086.45

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Solution

The fourth proportional to 26,419.17, 36,457.09 and 15,086.45 is: 20,818.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,419.17 : 36,457.09 = 15,086.45 : x
  2. Step 2: Convert to fraction form
    26,419.17/36,457.09 = 15,086.45/x
  3. Step 3: Cross multiply
    26,419.17x = 36,457.09 × 15,086.45
  4. Step 4: Simplify right side
    26,419.17x = 550,007,935.89
  5. Step 5: Solve for x
    x = 550,007,935.89/26,419.17
  6. Step 6: Final answer
    x = 20,818.52

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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.