Home / 22,015.16-30,370.64-12,937.52

Finding the Fourth Proportional to 22,015.16, 30,370.64 and 12,937.52

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Solution

The fourth proportional to 22,015.16, 30,370.64 and 12,937.52 is: 17,847.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015.16 : 30,370.64 = 12,937.52 : x
  2. Step 2: Convert to fraction form
    22,015.16/30,370.64 = 12,937.52/x
  3. Step 3: Cross multiply
    22,015.16x = 30,370.64 × 12,937.52
  4. Step 4: Simplify right side
    22,015.16x = 392,920,762.41
  5. Step 5: Solve for x
    x = 392,920,762.41/22,015.16
  6. Step 6: Final answer
    x = 17,847.74

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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.