Home / 13,240.24-18,267.06-7,570.95

Finding the Fourth Proportional to 13,240.24, 18,267.06 and 7,570.95

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Solution

The fourth proportional to 13,240.24, 18,267.06 and 7,570.95 is: 10,445.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240.24 : 18,267.06 = 7,570.95 : x
  2. Step 2: Convert to fraction form
    13,240.24/18,267.06 = 7,570.95/x
  3. Step 3: Cross multiply
    13,240.24x = 18,267.06 × 7,570.95
  4. Step 4: Simplify right side
    13,240.24x = 138,298,901.01
  5. Step 5: Solve for x
    x = 138,298,901.01/13,240.24
  6. Step 6: Final answer
    x = 10,445.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.