Home / 27,407.04-37,821.64-14,831.76

Finding the Fourth Proportional to 27,407.04, 37,821.64 and 14,831.76

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Solution

The fourth proportional to 27,407.04, 37,821.64 and 14,831.76 is: 20,467.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,407.04 : 37,821.64 = 14,831.76 : x
  2. Step 2: Convert to fraction form
    27,407.04/37,821.64 = 14,831.76/x
  3. Step 3: Cross multiply
    27,407.04x = 37,821.64 × 14,831.76
  4. Step 4: Simplify right side
    27,407.04x = 560,961,487.29
  5. Step 5: Solve for x
    x = 560,961,487.29/27,407.04
  6. Step 6: Final answer
    x = 20,467.79

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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.