Home / 14,712.74-20,300.51-8,742.23

Finding the Fourth Proportional to 14,712.74, 20,300.51 and 8,742.23

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Solution

The fourth proportional to 14,712.74, 20,300.51 and 8,742.23 is: 12,062.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,712.74 : 20,300.51 = 8,742.23 : x
  2. Step 2: Convert to fraction form
    14,712.74/20,300.51 = 8,742.23/x
  3. Step 3: Cross multiply
    14,712.74x = 20,300.51 × 8,742.23
  4. Step 4: Simplify right side
    14,712.74x = 177,471,582.32
  5. Step 5: Solve for x
    x = 177,471,582.32/14,712.74
  6. Step 6: Final answer
    x = 12,062.45

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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.