Home / 35,799.64-53,700-12,426.84

Finding the Fourth Proportional to 35,799.64, 53,700 and 12,426.84

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Solution

The fourth proportional to 35,799.64, 53,700 and 12,426.84 is: 18,640.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,799.64 : 53,700 = 12,426.84 : x
  2. Step 2: Convert to fraction form
    35,799.64/53,700 = 12,426.84/x
  3. Step 3: Cross multiply
    35,799.64x = 53,700 × 12,426.84
  4. Step 4: Simplify right side
    35,799.64x = 667,321,308
  5. Step 5: Solve for x
    x = 667,321,308/35,799.64
  6. Step 6: Final answer
    x = 18,640.45

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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.