Home / 29,312.02-40,464.53-19,638.13

Finding the Fourth Proportional to 29,312.02, 40,464.53 and 19,638.13

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Solution

The fourth proportional to 29,312.02, 40,464.53 and 19,638.13 is: 27,109.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,312.02 : 40,464.53 = 19,638.13 : x
  2. Step 2: Convert to fraction form
    29,312.02/40,464.53 = 19,638.13/x
  3. Step 3: Cross multiply
    29,312.02x = 40,464.53 × 19,638.13
  4. Step 4: Simplify right side
    29,312.02x = 794,647,700.53
  5. Step 5: Solve for x
    x = 794,647,700.53/29,312.02
  6. Step 6: Final answer
    x = 27,109.96

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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.