Home / 16,985.01-23,439.75-9,431.66

Finding the Fourth Proportional to 16,985.01, 23,439.75 and 9,431.66

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Solution

The fourth proportional to 16,985.01, 23,439.75 and 9,431.66 is: 13,015.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,985.01 : 23,439.75 = 9,431.66 : x
  2. Step 2: Convert to fraction form
    16,985.01/23,439.75 = 9,431.66/x
  3. Step 3: Cross multiply
    16,985.01x = 23,439.75 × 9,431.66
  4. Step 4: Simplify right side
    16,985.01x = 221,075,617.60
  5. Step 5: Solve for x
    x = 221,075,617.60/16,985.01
  6. Step 6: Final answer
    x = 13,015.93

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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.