Home / 13,980.15-19,292.44-10,411.08

Finding the Fourth Proportional to 13,980.15, 19,292.44 and 10,411.08

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Solution

The fourth proportional to 13,980.15, 19,292.44 and 10,411.08 is: 14,367.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980.15 : 19,292.44 = 10,411.08 : x
  2. Step 2: Convert to fraction form
    13,980.15/19,292.44 = 10,411.08/x
  3. Step 3: Cross multiply
    13,980.15x = 19,292.44 × 10,411.08
  4. Step 4: Simplify right side
    13,980.15x = 200,855,136.24
  5. Step 5: Solve for x
    x = 200,855,136.24/13,980.15
  6. Step 6: Final answer
    x = 14,367.17

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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.