Home / 19,581.08-29,349.50-9,727.40

Finding the Fourth Proportional to 19,581.08, 29,349.50 and 9,727.40

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Solution

The fourth proportional to 19,581.08, 29,349.50 and 9,727.40 is: 14,580.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.08 : 29,349.50 = 9,727.40 : x
  2. Step 2: Convert to fraction form
    19,581.08/29,349.50 = 9,727.40/x
  3. Step 3: Cross multiply
    19,581.08x = 29,349.50 × 9,727.40
  4. Step 4: Simplify right side
    19,581.08x = 285,494,326.30
  5. Step 5: Solve for x
    x = 285,494,326.30/19,581.08
  6. Step 6: Final answer
    x = 14,580.11

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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.