Home / 16,831.40-23,208.18-13,797

Finding the Fourth Proportional to 16,831.40, 23,208.18 and 13,797

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Solution

The fourth proportional to 16,831.40, 23,208.18 and 13,797 is: 19,024.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,831.40 : 23,208.18 = 13,797 : x
  2. Step 2: Convert to fraction form
    16,831.40/23,208.18 = 13,797/x
  3. Step 3: Cross multiply
    16,831.40x = 23,208.18 × 13,797
  4. Step 4: Simplify right side
    16,831.40x = 320,203,259.46
  5. Step 5: Solve for x
    x = 320,203,259.46/16,831.40
  6. Step 6: Final answer
    x = 19,024.16

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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.