Home / 25,608.96-38,430.84-15,718.05

Finding the Fourth Proportional to 25,608.96, 38,430.84 and 15,718.05

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Solution

The fourth proportional to 25,608.96, 38,430.84 and 15,718.05 is: 23,587.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,608.96 : 38,430.84 = 15,718.05 : x
  2. Step 2: Convert to fraction form
    25,608.96/38,430.84 = 15,718.05/x
  3. Step 3: Cross multiply
    25,608.96x = 38,430.84 × 15,718.05
  4. Step 4: Simplify right side
    25,608.96x = 604,057,864.66
  5. Step 5: Solve for x
    x = 604,057,864.66/25,608.96
  6. Step 6: Final answer
    x = 23,587.75

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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.