Home / 35,632.08-53,406.81-13,431.24

Finding the Fourth Proportional to 35,632.08, 53,406.81 and 13,431.24

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Solution

The fourth proportional to 35,632.08, 53,406.81 and 13,431.24 is: 20,131.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,632.08 : 53,406.81 = 13,431.24 : x
  2. Step 2: Convert to fraction form
    35,632.08/53,406.81 = 13,431.24/x
  3. Step 3: Cross multiply
    35,632.08x = 53,406.81 × 13,431.24
  4. Step 4: Simplify right side
    35,632.08x = 717,319,682.74
  5. Step 5: Solve for x
    x = 717,319,682.74/35,632.08
  6. Step 6: Final answer
    x = 20,131.29

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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.