Home / 25,661.09-35,412.03-15,048.68

Finding the Fourth Proportional to 25,661.09, 35,412.03 and 15,048.68

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Solution

The fourth proportional to 25,661.09, 35,412.03 and 15,048.68 is: 20,767.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,661.09 : 35,412.03 = 15,048.68 : x
  2. Step 2: Convert to fraction form
    25,661.09/35,412.03 = 15,048.68/x
  3. Step 3: Cross multiply
    25,661.09x = 35,412.03 × 15,048.68
  4. Step 4: Simplify right side
    25,661.09x = 532,904,130.56
  5. Step 5: Solve for x
    x = 532,904,130.56/25,661.09
  6. Step 6: Final answer
    x = 20,767.01

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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.