Home / 13,360.26-18,417.30-11,462.70

Finding the Fourth Proportional to 13,360.26, 18,417.30 and 11,462.70

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Solution

The fourth proportional to 13,360.26, 18,417.30 and 11,462.70 is: 15,801.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.26 : 18,417.30 = 11,462.70 : x
  2. Step 2: Convert to fraction form
    13,360.26/18,417.30 = 11,462.70/x
  3. Step 3: Cross multiply
    13,360.26x = 18,417.30 × 11,462.70
  4. Step 4: Simplify right side
    13,360.26x = 211,111,984.71
  5. Step 5: Solve for x
    x = 211,111,984.71/13,360.26
  6. Step 6: Final answer
    x = 15,801.49

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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.