Home / 19,707.12-29,569.86-9,847.08

Finding the Fourth Proportional to 19,707.12, 29,569.86 and 9,847.08

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Solution

The fourth proportional to 19,707.12, 29,569.86 and 9,847.08 is: 14,775.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,707.12 : 29,569.86 = 9,847.08 : x
  2. Step 2: Convert to fraction form
    19,707.12/29,569.86 = 9,847.08/x
  3. Step 3: Cross multiply
    19,707.12x = 29,569.86 × 9,847.08
  4. Step 4: Simplify right side
    19,707.12x = 291,176,777.01
  5. Step 5: Solve for x
    x = 291,176,777.01/19,707.12
  6. Step 6: Final answer
    x = 14,775.21

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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.