Home / 18,281.24-27,416.26-9,511.40

Finding the Fourth Proportional to 18,281.24, 27,416.26 and 9,511.40

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Solution

The fourth proportional to 18,281.24, 27,416.26 and 9,511.40 is: 14,264.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281.24 : 27,416.26 = 9,511.40 : x
  2. Step 2: Convert to fraction form
    18,281.24/27,416.26 = 9,511.40/x
  3. Step 3: Cross multiply
    18,281.24x = 27,416.26 × 9,511.40
  4. Step 4: Simplify right side
    18,281.24x = 260,767,015.36
  5. Step 5: Solve for x
    x = 260,767,015.36/18,281.24
  6. Step 6: Final answer
    x = 14,264.19

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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.