Home / 39,707.54-59,557.61-13,412.51

Finding the Fourth Proportional to 39,707.54, 59,557.61 and 13,412.51

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Solution

The fourth proportional to 39,707.54, 59,557.61 and 13,412.51 is: 20,117.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,707.54 : 59,557.61 = 13,412.51 : x
  2. Step 2: Convert to fraction form
    39,707.54/59,557.61 = 13,412.51/x
  3. Step 3: Cross multiply
    39,707.54x = 59,557.61 × 13,412.51
  4. Step 4: Simplify right side
    39,707.54x = 798,816,674.85
  5. Step 5: Solve for x
    x = 798,816,674.85/39,707.54
  6. Step 6: Final answer
    x = 20,117.51

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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.