Home / 14,995.02-20,693.30-8,280.53

Finding the Fourth Proportional to 14,995.02, 20,693.30 and 8,280.53

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Solution

The fourth proportional to 14,995.02, 20,693.30 and 8,280.53 is: 11,427.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,995.02 : 20,693.30 = 8,280.53 : x
  2. Step 2: Convert to fraction form
    14,995.02/20,693.30 = 8,280.53/x
  3. Step 3: Cross multiply
    14,995.02x = 20,693.30 × 8,280.53
  4. Step 4: Simplify right side
    14,995.02x = 171,351,491.45
  5. Step 5: Solve for x
    x = 171,351,491.45/14,995.02
  6. Step 6: Final answer
    x = 11,427.23

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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.