Home / 13,226.04-19,918.23-12,045.06

Finding the Fourth Proportional to 13,226.04, 19,918.23 and 12,045.06

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Solution

The fourth proportional to 13,226.04, 19,918.23 and 12,045.06 is: 18,139.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.04 : 19,918.23 = 12,045.06 : x
  2. Step 2: Convert to fraction form
    13,226.04/19,918.23 = 12,045.06/x
  3. Step 3: Cross multiply
    13,226.04x = 19,918.23 × 12,045.06
  4. Step 4: Simplify right side
    13,226.04x = 239,916,275.44
  5. Step 5: Solve for x
    x = 239,916,275.44/13,226.04
  6. Step 6: Final answer
    x = 18,139.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.