Home / 19,918.96-29,878.68-6,068.08

Finding the Fourth Proportional to 19,918.96, 29,878.68 and 6,068.08

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Solution

The fourth proportional to 19,918.96, 29,878.68 and 6,068.08 is: 9,102.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,918.96 : 29,878.68 = 6,068.08 : x
  2. Step 2: Convert to fraction form
    19,918.96/29,878.68 = 6,068.08/x
  3. Step 3: Cross multiply
    19,918.96x = 29,878.68 × 6,068.08
  4. Step 4: Simplify right side
    19,918.96x = 181,306,220.53
  5. Step 5: Solve for x
    x = 181,306,220.53/19,918.96
  6. Step 6: Final answer
    x = 9,102.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.