Home / 19,792.02-27,312.48-10,839.90

Finding the Fourth Proportional to 19,792.02, 27,312.48 and 10,839.90

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Solution

The fourth proportional to 19,792.02, 27,312.48 and 10,839.90 is: 14,958.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,792.02 : 27,312.48 = 10,839.90 : x
  2. Step 2: Convert to fraction form
    19,792.02/27,312.48 = 10,839.90/x
  3. Step 3: Cross multiply
    19,792.02x = 27,312.48 × 10,839.90
  4. Step 4: Simplify right side
    19,792.02x = 296,064,551.95
  5. Step 5: Solve for x
    x = 296,064,551.95/19,792.02
  6. Step 6: Final answer
    x = 14,958.78

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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.