Home / 25,971.20-35,831.66-14,639.30

Finding the Fourth Proportional to 25,971.20, 35,831.66 and 14,639.30

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Solution

The fourth proportional to 25,971.20, 35,831.66 and 14,639.30 is: 20,197.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,971.20 : 35,831.66 = 14,639.30 : x
  2. Step 2: Convert to fraction form
    25,971.20/35,831.66 = 14,639.30/x
  3. Step 3: Cross multiply
    25,971.20x = 35,831.66 × 14,639.30
  4. Step 4: Simplify right side
    25,971.20x = 524,550,420.24
  5. Step 5: Solve for x
    x = 524,550,420.24/25,971.20
  6. Step 6: Final answer
    x = 20,197.39

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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.