Home / 35,735.60-53,603.40-12,349.28

Finding the Fourth Proportional to 35,735.60, 53,603.40 and 12,349.28

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Solution

The fourth proportional to 35,735.60, 53,603.40 and 12,349.28 is: 18,523.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,735.60 : 53,603.40 = 12,349.28 : x
  2. Step 2: Convert to fraction form
    35,735.60/53,603.40 = 12,349.28/x
  3. Step 3: Cross multiply
    35,735.60x = 53,603.40 × 12,349.28
  4. Step 4: Simplify right side
    35,735.60x = 661,963,395.55
  5. Step 5: Solve for x
    x = 661,963,395.55/35,735.60
  6. Step 6: Final answer
    x = 18,523.92

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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.