Home / 26,791.24-36,970.09-15,461.20

Finding the Fourth Proportional to 26,791.24, 36,970.09 and 15,461.20

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Solution

The fourth proportional to 26,791.24, 36,970.09 and 15,461.20 is: 21,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,791.24 : 36,970.09 = 15,461.20 : x
  2. Step 2: Convert to fraction form
    26,791.24/36,970.09 = 15,461.20/x
  3. Step 3: Cross multiply
    26,791.24x = 36,970.09 × 15,461.20
  4. Step 4: Simplify right side
    26,791.24x = 571,601,955.51
  5. Step 5: Solve for x
    x = 571,601,955.51/26,791.24
  6. Step 6: Final answer
    x = 21,335.40

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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.