Home / 19,539.08-26,962.98-11,153.96

Finding the Fourth Proportional to 19,539.08, 26,962.98 and 11,153.96

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Solution

The fourth proportional to 19,539.08, 26,962.98 and 11,153.96 is: 15,391.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.08 : 26,962.98 = 11,153.96 : x
  2. Step 2: Convert to fraction form
    19,539.08/26,962.98 = 11,153.96/x
  3. Step 3: Cross multiply
    19,539.08x = 26,962.98 × 11,153.96
  4. Step 4: Simplify right side
    19,539.08x = 300,744,000.40
  5. Step 5: Solve for x
    x = 300,744,000.40/19,539.08
  6. Step 6: Final answer
    x = 15,391.92

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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.