Home / 26,356.86-36,372.16-14,420.06

Finding the Fourth Proportional to 26,356.86, 36,372.16 and 14,420.06

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Solution

The fourth proportional to 26,356.86, 36,372.16 and 14,420.06 is: 19,899.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,356.86 : 36,372.16 = 14,420.06 : x
  2. Step 2: Convert to fraction form
    26,356.86/36,372.16 = 14,420.06/x
  3. Step 3: Cross multiply
    26,356.86x = 36,372.16 × 14,420.06
  4. Step 4: Simplify right side
    26,356.86x = 524,488,729.53
  5. Step 5: Solve for x
    x = 524,488,729.53/26,356.86
  6. Step 6: Final answer
    x = 19,899.51

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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.