Home / 13,998.18-19,317.19-7,624.84

Finding the Fourth Proportional to 13,998.18, 19,317.19 and 7,624.84

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Solution

The fourth proportional to 13,998.18, 19,317.19 and 7,624.84 is: 10,522.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998.18 : 19,317.19 = 7,624.84 : x
  2. Step 2: Convert to fraction form
    13,998.18/19,317.19 = 7,624.84/x
  3. Step 3: Cross multiply
    13,998.18x = 19,317.19 × 7,624.84
  4. Step 4: Simplify right side
    13,998.18x = 147,290,483.00
  5. Step 5: Solve for x
    x = 147,290,483.00/13,998.18
  6. Step 6: Final answer
    x = 10,522.12

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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.