Home / 35,166.08-52,752.64-12,985.28

Finding the Fourth Proportional to 35,166.08, 52,752.64 and 12,985.28

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Solution

The fourth proportional to 35,166.08, 52,752.64 and 12,985.28 is: 19,479.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,166.08 : 52,752.64 = 12,985.28 : x
  2. Step 2: Convert to fraction form
    35,166.08/52,752.64 = 12,985.28/x
  3. Step 3: Cross multiply
    35,166.08x = 52,752.64 × 12,985.28
  4. Step 4: Simplify right side
    35,166.08x = 685,007,801.14
  5. Step 5: Solve for x
    x = 685,007,801.14/35,166.08
  6. Step 6: Final answer
    x = 19,479.22

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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.