Home / 25,623.72-38,459.52-15,782.22

Finding the Fourth Proportional to 25,623.72, 38,459.52 and 15,782.22

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Solution

The fourth proportional to 25,623.72, 38,459.52 and 15,782.22 is: 23,688.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,623.72 : 38,459.52 = 15,782.22 : x
  2. Step 2: Convert to fraction form
    25,623.72/38,459.52 = 15,782.22/x
  3. Step 3: Cross multiply
    25,623.72x = 38,459.52 × 15,782.22
  4. Step 4: Simplify right side
    25,623.72x = 606,976,605.73
  5. Step 5: Solve for x
    x = 606,976,605.73/25,623.72
  6. Step 6: Final answer
    x = 23,688.08

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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.