Home / 18,683.02-25,782.18-10,299.52

Finding the Fourth Proportional to 18,683.02, 25,782.18 and 10,299.52

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Solution

The fourth proportional to 18,683.02, 25,782.18 and 10,299.52 is: 14,213.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683.02 : 25,782.18 = 10,299.52 : x
  2. Step 2: Convert to fraction form
    18,683.02/25,782.18 = 10,299.52/x
  3. Step 3: Cross multiply
    18,683.02x = 25,782.18 × 10,299.52
  4. Step 4: Simplify right side
    18,683.02x = 265,543,949.64
  5. Step 5: Solve for x
    x = 265,543,949.64/18,683.02
  6. Step 6: Final answer
    x = 14,213.12

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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.