Home / 14,957.74-20,637.39-9,655.57

Finding the Fourth Proportional to 14,957.74, 20,637.39 and 9,655.57

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Solution

The fourth proportional to 14,957.74, 20,637.39 and 9,655.57 is: 13,321.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,957.74 : 20,637.39 = 9,655.57 : x
  2. Step 2: Convert to fraction form
    14,957.74/20,637.39 = 9,655.57/x
  3. Step 3: Cross multiply
    14,957.74x = 20,637.39 × 9,655.57
  4. Step 4: Simplify right side
    14,957.74x = 199,265,763.76
  5. Step 5: Solve for x
    x = 199,265,763.76/14,957.74
  6. Step 6: Final answer
    x = 13,321.92

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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.