Home / 26,686.61-36,829.43-14,749.70

Finding the Fourth Proportional to 26,686.61, 36,829.43 and 14,749.70

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Solution

The fourth proportional to 26,686.61, 36,829.43 and 14,749.70 is: 20,355.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,686.61 : 36,829.43 = 14,749.70 : x
  2. Step 2: Convert to fraction form
    26,686.61/36,829.43 = 14,749.70/x
  3. Step 3: Cross multiply
    26,686.61x = 36,829.43 × 14,749.70
  4. Step 4: Simplify right side
    26,686.61x = 543,223,043.67
  5. Step 5: Solve for x
    x = 543,223,043.67/26,686.61
  6. Step 6: Final answer
    x = 20,355.64

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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.