Home / 21,686.56-29,941.76-14,044.24

Finding the Fourth Proportional to 21,686.56, 29,941.76 and 14,044.24

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Solution

The fourth proportional to 21,686.56, 29,941.76 and 14,044.24 is: 19,390.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,686.56 : 29,941.76 = 14,044.24 : x
  2. Step 2: Convert to fraction form
    21,686.56/29,941.76 = 14,044.24/x
  3. Step 3: Cross multiply
    21,686.56x = 29,941.76 × 14,044.24
  4. Step 4: Simplify right side
    21,686.56x = 420,509,263.46
  5. Step 5: Solve for x
    x = 420,509,263.46/21,686.56
  6. Step 6: Final answer
    x = 19,390.32

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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.