Home / 14,143.46-21,223.36-7,573.32

Finding the Fourth Proportional to 14,143.46, 21,223.36 and 7,573.32

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Solution

The fourth proportional to 14,143.46, 21,223.36 and 7,573.32 is: 11,364.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,143.46 : 21,223.36 = 7,573.32 : x
  2. Step 2: Convert to fraction form
    14,143.46/21,223.36 = 7,573.32/x
  3. Step 3: Cross multiply
    14,143.46x = 21,223.36 × 7,573.32
  4. Step 4: Simplify right side
    14,143.46x = 160,731,296.76
  5. Step 5: Solve for x
    x = 160,731,296.76/14,143.46
  6. Step 6: Final answer
    x = 11,364.35

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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.