Home / 17,141.49-23,655.63-12,114.57

Finding the Fourth Proportional to 17,141.49, 23,655.63 and 12,114.57

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Solution

The fourth proportional to 17,141.49, 23,655.63 and 12,114.57 is: 16,718.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,141.49 : 23,655.63 = 12,114.57 : x
  2. Step 2: Convert to fraction form
    17,141.49/23,655.63 = 12,114.57/x
  3. Step 3: Cross multiply
    17,141.49x = 23,655.63 × 12,114.57
  4. Step 4: Simplify right side
    17,141.49x = 286,577,785.53
  5. Step 5: Solve for x
    x = 286,577,785.53/17,141.49
  6. Step 6: Final answer
    x = 16,718.37

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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.