Home / 17,070.77-23,557.87-9,902.35

Finding the Fourth Proportional to 17,070.77, 23,557.87 and 9,902.35

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Solution

The fourth proportional to 17,070.77, 23,557.87 and 9,902.35 is: 13,665.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,070.77 : 23,557.87 = 9,902.35 : x
  2. Step 2: Convert to fraction form
    17,070.77/23,557.87 = 9,902.35/x
  3. Step 3: Cross multiply
    17,070.77x = 23,557.87 × 9,902.35
  4. Step 4: Simplify right side
    17,070.77x = 233,278,156.21
  5. Step 5: Solve for x
    x = 233,278,156.21/17,070.77
  6. Step 6: Final answer
    x = 13,665.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.