Home / 22,774.23-31,428.91-12,703.10

Finding the Fourth Proportional to 22,774.23, 31,428.91 and 12,703.10

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Solution

The fourth proportional to 22,774.23, 31,428.91 and 12,703.10 is: 17,530.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,774.23 : 31,428.91 = 12,703.10 : x
  2. Step 2: Convert to fraction form
    22,774.23/31,428.91 = 12,703.10/x
  3. Step 3: Cross multiply
    22,774.23x = 31,428.91 × 12,703.10
  4. Step 4: Simplify right side
    22,774.23x = 399,244,445.36
  5. Step 5: Solve for x
    x = 399,244,445.36/22,774.23
  6. Step 6: Final answer
    x = 17,530.54

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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.