Home / 19,169.16-26,444.70-13,855.56

Finding the Fourth Proportional to 19,169.16, 26,444.70 and 13,855.56

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Solution

The fourth proportional to 19,169.16, 26,444.70 and 13,855.56 is: 19,114.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,169.16 : 26,444.70 = 13,855.56 : x
  2. Step 2: Convert to fraction form
    19,169.16/26,444.70 = 13,855.56/x
  3. Step 3: Cross multiply
    19,169.16x = 26,444.70 × 13,855.56
  4. Step 4: Simplify right side
    19,169.16x = 366,406,127.53
  5. Step 5: Solve for x
    x = 366,406,127.53/19,169.16
  6. Step 6: Final answer
    x = 19,114.35

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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.