Home / 25,362.48-35,005.86-15,943.80

Finding the Fourth Proportional to 25,362.48, 35,005.86 and 15,943.80

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Solution

The fourth proportional to 25,362.48, 35,005.86 and 15,943.80 is: 22,005.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,362.48 : 35,005.86 = 15,943.80 : x
  2. Step 2: Convert to fraction form
    25,362.48/35,005.86 = 15,943.80/x
  3. Step 3: Cross multiply
    25,362.48x = 35,005.86 × 15,943.80
  4. Step 4: Simplify right side
    25,362.48x = 558,126,430.67
  5. Step 5: Solve for x
    x = 558,126,430.67/25,362.48
  6. Step 6: Final answer
    x = 22,005.99

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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.