Home / 17,392.47-26,048.13-12,700.86

Finding the Fourth Proportional to 17,392.47, 26,048.13 and 12,700.86

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Solution

The fourth proportional to 17,392.47, 26,048.13 and 12,700.86 is: 19,021.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,392.47 : 26,048.13 = 12,700.86 : x
  2. Step 2: Convert to fraction form
    17,392.47/26,048.13 = 12,700.86/x
  3. Step 3: Cross multiply
    17,392.47x = 26,048.13 × 12,700.86
  4. Step 4: Simplify right side
    17,392.47x = 330,833,652.39
  5. Step 5: Solve for x
    x = 330,833,652.39/17,392.47
  6. Step 6: Final answer
    x = 19,021.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.