Home / 39,720.23-59,567.73-13,060.07

Finding the Fourth Proportional to 39,720.23, 59,567.73 and 13,060.07

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Solution

The fourth proportional to 39,720.23, 59,567.73 and 13,060.07 is: 19,585.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,720.23 : 59,567.73 = 13,060.07 : x
  2. Step 2: Convert to fraction form
    39,720.23/59,567.73 = 13,060.07/x
  3. Step 3: Cross multiply
    39,720.23x = 59,567.73 × 13,060.07
  4. Step 4: Simplify right side
    39,720.23x = 777,958,723.54
  5. Step 5: Solve for x
    x = 777,958,723.54/39,720.23
  6. Step 6: Final answer
    x = 19,585.96

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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.