Home / 15,831.88-21,852.54-10,458.24

Finding the Fourth Proportional to 15,831.88, 21,852.54 and 10,458.24

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Solution

The fourth proportional to 15,831.88, 21,852.54 and 10,458.24 is: 14,435.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,831.88 : 21,852.54 = 10,458.24 : x
  2. Step 2: Convert to fraction form
    15,831.88/21,852.54 = 10,458.24/x
  3. Step 3: Cross multiply
    15,831.88x = 21,852.54 × 10,458.24
  4. Step 4: Simplify right side
    15,831.88x = 228,539,107.93
  5. Step 5: Solve for x
    x = 228,539,107.93/15,831.88
  6. Step 6: Final answer
    x = 14,435.37

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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.