Home / 35,920.05-53,880.07-13,735.66

Finding the Fourth Proportional to 35,920.05, 53,880.07 and 13,735.66

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Solution

The fourth proportional to 35,920.05, 53,880.07 and 13,735.66 is: 20,603.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,920.05 : 53,880.07 = 13,735.66 : x
  2. Step 2: Convert to fraction form
    35,920.05/53,880.07 = 13,735.66/x
  3. Step 3: Cross multiply
    35,920.05x = 53,880.07 × 13,735.66
  4. Step 4: Simplify right side
    35,920.05x = 740,078,322.30
  5. Step 5: Solve for x
    x = 740,078,322.30/35,920.05
  6. Step 6: Final answer
    x = 20,603.49

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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.