Home / 22,261.86-30,724.74-12,701.70

Finding the Fourth Proportional to 22,261.86, 30,724.74 and 12,701.70

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Solution

The fourth proportional to 22,261.86, 30,724.74 and 12,701.70 is: 17,530.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,261.86 : 30,724.74 = 12,701.70 : x
  2. Step 2: Convert to fraction form
    22,261.86/30,724.74 = 12,701.70/x
  3. Step 3: Cross multiply
    22,261.86x = 30,724.74 × 12,701.70
  4. Step 4: Simplify right side
    22,261.86x = 390,256,430.06
  5. Step 5: Solve for x
    x = 390,256,430.06/22,261.86
  6. Step 6: Final answer
    x = 17,530.27

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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.