Home / 14,922.63-20,569.95-11,140.34

Finding the Fourth Proportional to 14,922.63, 20,569.95 and 11,140.34

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Solution

The fourth proportional to 14,922.63, 20,569.95 and 11,140.34 is: 15,356.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,922.63 : 20,569.95 = 11,140.34 : x
  2. Step 2: Convert to fraction form
    14,922.63/20,569.95 = 11,140.34/x
  3. Step 3: Cross multiply
    14,922.63x = 20,569.95 × 11,140.34
  4. Step 4: Simplify right side
    14,922.63x = 229,156,133.93
  5. Step 5: Solve for x
    x = 229,156,133.93/14,922.63
  6. Step 6: Final answer
    x = 15,356.28

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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.