Home / 22,762.07-31,411.55-13,203.89

Finding the Fourth Proportional to 22,762.07, 31,411.55 and 13,203.89

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Solution

The fourth proportional to 22,762.07, 31,411.55 and 13,203.89 is: 18,221.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,762.07 : 31,411.55 = 13,203.89 : x
  2. Step 2: Convert to fraction form
    22,762.07/31,411.55 = 13,203.89/x
  3. Step 3: Cross multiply
    22,762.07x = 31,411.55 × 13,203.89
  4. Step 4: Simplify right side
    22,762.07x = 414,754,427.85
  5. Step 5: Solve for x
    x = 414,754,427.85/22,762.07
  6. Step 6: Final answer
    x = 18,221.30

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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.