Home / 22,502.04-31,054.67-12,945.03

Finding the Fourth Proportional to 22,502.04, 31,054.67 and 12,945.03

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Solution

The fourth proportional to 22,502.04, 31,054.67 and 12,945.03 is: 17,865.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,502.04 : 31,054.67 = 12,945.03 : x
  2. Step 2: Convert to fraction form
    22,502.04/31,054.67 = 12,945.03/x
  3. Step 3: Cross multiply
    22,502.04x = 31,054.67 × 12,945.03
  4. Step 4: Simplify right side
    22,502.04x = 402,003,634.79
  5. Step 5: Solve for x
    x = 402,003,634.79/22,502.04
  6. Step 6: Final answer
    x = 17,865.21

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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.