Home / 14,111.04-19,469.29-11,117.58

Finding the Fourth Proportional to 14,111.04, 19,469.29 and 11,117.58

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Solution

The fourth proportional to 14,111.04, 19,469.29 and 11,117.58 is: 15,339.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,111.04 : 19,469.29 = 11,117.58 : x
  2. Step 2: Convert to fraction form
    14,111.04/19,469.29 = 11,117.58/x
  3. Step 3: Cross multiply
    14,111.04x = 19,469.29 × 11,117.58
  4. Step 4: Simplify right side
    14,111.04x = 216,451,389.12
  5. Step 5: Solve for x
    x = 216,451,389.12/14,111.04
  6. Step 6: Final answer
    x = 15,339.15

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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.