Home / 19,089.12-26,344.88-10,705.60

Finding the Fourth Proportional to 19,089.12, 26,344.88 and 10,705.60

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Solution

The fourth proportional to 19,089.12, 26,344.88 and 10,705.60 is: 14,774.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089.12 : 26,344.88 = 10,705.60 : x
  2. Step 2: Convert to fraction form
    19,089.12/26,344.88 = 10,705.60/x
  3. Step 3: Cross multiply
    19,089.12x = 26,344.88 × 10,705.60
  4. Step 4: Simplify right side
    19,089.12x = 282,037,747.33
  5. Step 5: Solve for x
    x = 282,037,747.33/19,089.12
  6. Step 6: Final answer
    x = 14,774.79

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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.