Home / 35,685.88-53,526.12-13,497.28

Finding the Fourth Proportional to 35,685.88, 53,526.12 and 13,497.28

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Solution

The fourth proportional to 35,685.88, 53,526.12 and 13,497.28 is: 20,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,685.88 : 53,526.12 = 13,497.28 : x
  2. Step 2: Convert to fraction form
    35,685.88/53,526.12 = 13,497.28/x
  3. Step 3: Cross multiply
    35,685.88x = 53,526.12 × 13,497.28
  4. Step 4: Simplify right side
    35,685.88x = 722,457,028.95
  5. Step 5: Solve for x
    x = 722,457,028.95/35,685.88
  6. Step 6: Final answer
    x = 20,244.90

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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.