Home / 12,167.04-16,775.30-10,153.35

Finding the Fourth Proportional to 12,167.04, 16,775.30 and 10,153.35

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Solution

The fourth proportional to 12,167.04, 16,775.30 and 10,153.35 is: 13,998.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167.04 : 16,775.30 = 10,153.35 : x
  2. Step 2: Convert to fraction form
    12,167.04/16,775.30 = 10,153.35/x
  3. Step 3: Cross multiply
    12,167.04x = 16,775.30 × 10,153.35
  4. Step 4: Simplify right side
    12,167.04x = 170,325,561.51
  5. Step 5: Solve for x
    x = 170,325,561.51/12,167.04
  6. Step 6: Final answer
    x = 13,998.93

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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.