Home / 14,531.02-21,796.53-4,142.50

Finding the Fourth Proportional to 14,531.02, 21,796.53 and 4,142.50

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Solution

The fourth proportional to 14,531.02, 21,796.53 and 4,142.50 is: 6,213.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,531.02 : 21,796.53 = 4,142.50 : x
  2. Step 2: Convert to fraction form
    14,531.02/21,796.53 = 4,142.50/x
  3. Step 3: Cross multiply
    14,531.02x = 21,796.53 × 4,142.50
  4. Step 4: Simplify right side
    14,531.02x = 90,292,125.53
  5. Step 5: Solve for x
    x = 90,292,125.53/14,531.02
  6. Step 6: Final answer
    x = 6,213.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.