Home / 14,075.13-21,094.23-7,831.92

Finding the Fourth Proportional to 14,075.13, 21,094.23 and 7,831.92

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Solution

The fourth proportional to 14,075.13, 21,094.23 and 7,831.92 is: 11,737.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.13 : 21,094.23 = 7,831.92 : x
  2. Step 2: Convert to fraction form
    14,075.13/21,094.23 = 7,831.92/x
  3. Step 3: Cross multiply
    14,075.13x = 21,094.23 × 7,831.92
  4. Step 4: Simplify right side
    14,075.13x = 165,208,321.82
  5. Step 5: Solve for x
    x = 165,208,321.82/14,075.13
  6. Step 6: Final answer
    x = 11,737.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.