Home / 13,098.18-19,528.14-11,620.74

Finding the Fourth Proportional to 13,098.18, 19,528.14 and 11,620.74

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Solution

The fourth proportional to 13,098.18, 19,528.14 and 11,620.74 is: 17,325.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,098.18 : 19,528.14 = 11,620.74 : x
  2. Step 2: Convert to fraction form
    13,098.18/19,528.14 = 11,620.74/x
  3. Step 3: Cross multiply
    13,098.18x = 19,528.14 × 11,620.74
  4. Step 4: Simplify right side
    13,098.18x = 226,931,437.62
  5. Step 5: Solve for x
    x = 226,931,437.62/13,098.18
  6. Step 6: Final answer
    x = 17,325.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.