Home / 26,631.72-36,754.02-15,453

Finding the Fourth Proportional to 26,631.72, 36,754.02 and 15,453

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Solution

The fourth proportional to 26,631.72, 36,754.02 and 15,453 is: 21,326.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,631.72 : 36,754.02 = 15,453 : x
  2. Step 2: Convert to fraction form
    26,631.72/36,754.02 = 15,453/x
  3. Step 3: Cross multiply
    26,631.72x = 36,754.02 × 15,453
  4. Step 4: Simplify right side
    26,631.72x = 567,959,871.06
  5. Step 5: Solve for x
    x = 567,959,871.06/26,631.72
  6. Step 6: Final answer
    x = 21,326.44

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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.