Home / 19,487.27-26,892.43-10,534.78

Finding the Fourth Proportional to 19,487.27, 26,892.43 and 10,534.78

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Solution

The fourth proportional to 19,487.27, 26,892.43 and 10,534.78 is: 14,537.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487.27 : 26,892.43 = 10,534.78 : x
  2. Step 2: Convert to fraction form
    19,487.27/26,892.43 = 10,534.78/x
  3. Step 3: Cross multiply
    19,487.27x = 26,892.43 × 10,534.78
  4. Step 4: Simplify right side
    19,487.27x = 283,305,840.99
  5. Step 5: Solve for x
    x = 283,305,840.99/19,487.27
  6. Step 6: Final answer
    x = 14,537.99

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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.