Home / 26,642.33-36,767.64-15,315.49

Finding the Fourth Proportional to 26,642.33, 36,767.64 and 15,315.49

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Solution

The fourth proportional to 26,642.33, 36,767.64 and 15,315.49 is: 21,136.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,642.33 : 36,767.64 = 15,315.49 : x
  2. Step 2: Convert to fraction form
    26,642.33/36,767.64 = 15,315.49/x
  3. Step 3: Cross multiply
    26,642.33x = 36,767.64 × 15,315.49
  4. Step 4: Simplify right side
    26,642.33x = 563,114,439.99
  5. Step 5: Solve for x
    x = 563,114,439.99/26,642.33
  6. Step 6: Final answer
    x = 21,136.08

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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.