Home / 13,182.93-18,192.29-7,214.52

Finding the Fourth Proportional to 13,182.93, 18,192.29 and 7,214.52

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Solution

The fourth proportional to 13,182.93, 18,192.29 and 7,214.52 is: 9,955.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,182.93 : 18,192.29 = 7,214.52 : x
  2. Step 2: Convert to fraction form
    13,182.93/18,192.29 = 7,214.52/x
  3. Step 3: Cross multiply
    13,182.93x = 18,192.29 × 7,214.52
  4. Step 4: Simplify right side
    13,182.93x = 131,248,603.98
  5. Step 5: Solve for x
    x = 131,248,603.98/13,182.93
  6. Step 6: Final answer
    x = 9,955.95

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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.