Home / 22,728.23-31,349.93-14,215.58

Finding the Fourth Proportional to 22,728.23, 31,349.93 and 14,215.58

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Solution

The fourth proportional to 22,728.23, 31,349.93 and 14,215.58 is: 19,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,728.23 : 31,349.93 = 14,215.58 : x
  2. Step 2: Convert to fraction form
    22,728.23/31,349.93 = 14,215.58/x
  3. Step 3: Cross multiply
    22,728.23x = 31,349.93 × 14,215.58
  4. Step 4: Simplify right side
    22,728.23x = 445,657,354.42
  5. Step 5: Solve for x
    x = 445,657,354.42/22,728.23
  6. Step 6: Final answer
    x = 19,608.10

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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.