Home / 35,173.47-52,758.57-12,985.41

Finding the Fourth Proportional to 35,173.47, 52,758.57 and 12,985.41

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Solution

The fourth proportional to 35,173.47, 52,758.57 and 12,985.41 is: 19,477.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,173.47 : 52,758.57 = 12,985.41 : x
  2. Step 2: Convert to fraction form
    35,173.47/52,758.57 = 12,985.41/x
  3. Step 3: Cross multiply
    35,173.47x = 52,758.57 × 12,985.41
  4. Step 4: Simplify right side
    35,173.47x = 685,091,662.46
  5. Step 5: Solve for x
    x = 685,091,662.46/35,173.47
  6. Step 6: Final answer
    x = 19,477.51

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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.