Home / 15,967.86-22,035.34-10,002.81

Finding the Fourth Proportional to 15,967.86, 22,035.34 and 10,002.81

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Solution

The fourth proportional to 15,967.86, 22,035.34 and 10,002.81 is: 13,803.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,967.86 : 22,035.34 = 10,002.81 : x
  2. Step 2: Convert to fraction form
    15,967.86/22,035.34 = 10,002.81/x
  3. Step 3: Cross multiply
    15,967.86x = 22,035.34 × 10,002.81
  4. Step 4: Simplify right side
    15,967.86x = 220,415,319.31
  5. Step 5: Solve for x
    x = 220,415,319.31/15,967.86
  6. Step 6: Final answer
    x = 13,803.69

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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.