Home / 13,702.52-18,892.26-11,182.07

Finding the Fourth Proportional to 13,702.52, 18,892.26 and 11,182.07

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Solution

The fourth proportional to 13,702.52, 18,892.26 and 11,182.07 is: 15,417.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,702.52 : 18,892.26 = 11,182.07 : x
  2. Step 2: Convert to fraction form
    13,702.52/18,892.26 = 11,182.07/x
  3. Step 3: Cross multiply
    13,702.52x = 18,892.26 × 11,182.07
  4. Step 4: Simplify right side
    13,702.52x = 211,254,573.78
  5. Step 5: Solve for x
    x = 211,254,573.78/13,702.52
  6. Step 6: Final answer
    x = 15,417.21

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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.