Home / 14,035.86-21,065.91-5,720.46

Finding the Fourth Proportional to 14,035.86, 21,065.91 and 5,720.46

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Solution

The fourth proportional to 14,035.86, 21,065.91 and 5,720.46 is: 8,585.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,035.86 : 21,065.91 = 5,720.46 : x
  2. Step 2: Convert to fraction form
    14,035.86/21,065.91 = 5,720.46/x
  3. Step 3: Cross multiply
    14,035.86x = 21,065.91 × 5,720.46
  4. Step 4: Simplify right side
    14,035.86x = 120,506,695.52
  5. Step 5: Solve for x
    x = 120,506,695.52/14,035.86
  6. Step 6: Final answer
    x = 8,585.63

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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.