Home / 18,384.03-25,361.10-11,298.15

Finding the Fourth Proportional to 18,384.03, 25,361.10 and 11,298.15

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Solution

The fourth proportional to 18,384.03, 25,361.10 and 11,298.15 is: 15,586.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.03 : 25,361.10 = 11,298.15 : x
  2. Step 2: Convert to fraction form
    18,384.03/25,361.10 = 11,298.15/x
  3. Step 3: Cross multiply
    18,384.03x = 25,361.10 × 11,298.15
  4. Step 4: Simplify right side
    18,384.03x = 286,533,511.97
  5. Step 5: Solve for x
    x = 286,533,511.97/18,384.03
  6. Step 6: Final answer
    x = 15,586.00

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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.