Home / 25,637.89-38,457.96-7,867.23

Finding the Fourth Proportional to 25,637.89, 38,457.96 and 7,867.23

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Solution

The fourth proportional to 25,637.89, 38,457.96 and 7,867.23 is: 11,801.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,637.89 : 38,457.96 = 7,867.23 : x
  2. Step 2: Convert to fraction form
    25,637.89/38,457.96 = 7,867.23/x
  3. Step 3: Cross multiply
    25,637.89x = 38,457.96 × 7,867.23
  4. Step 4: Simplify right side
    25,637.89x = 302,557,616.65
  5. Step 5: Solve for x
    x = 302,557,616.65/25,637.89
  6. Step 6: Final answer
    x = 11,801.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.