Home / 22,827.06-31,501.35-13,872.89

Finding the Fourth Proportional to 22,827.06, 31,501.35 and 13,872.89

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Solution

The fourth proportional to 22,827.06, 31,501.35 and 13,872.89 is: 19,144.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,827.06 : 31,501.35 = 13,872.89 : x
  2. Step 2: Convert to fraction form
    22,827.06/31,501.35 = 13,872.89/x
  3. Step 3: Cross multiply
    22,827.06x = 31,501.35 × 13,872.89
  4. Step 4: Simplify right side
    22,827.06x = 437,014,807.47
  5. Step 5: Solve for x
    x = 437,014,807.47/22,827.06
  6. Step 6: Final answer
    x = 19,144.59

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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.