Home / 35,571.51-53,359.36-13,385.08

Finding the Fourth Proportional to 35,571.51, 53,359.36 and 13,385.08

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Solution

The fourth proportional to 35,571.51, 53,359.36 and 13,385.08 is: 20,078.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,571.51 : 53,359.36 = 13,385.08 : x
  2. Step 2: Convert to fraction form
    35,571.51/53,359.36 = 13,385.08/x
  3. Step 3: Cross multiply
    35,571.51x = 53,359.36 × 13,385.08
  4. Step 4: Simplify right side
    35,571.51x = 714,219,473.28
  5. Step 5: Solve for x
    x = 714,219,473.28/35,571.51
  6. Step 6: Final answer
    x = 20,078.41

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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.