Home / 14,459.18-21,686.85-4,071.74

Finding the Fourth Proportional to 14,459.18, 21,686.85 and 4,071.74

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Solution

The fourth proportional to 14,459.18, 21,686.85 and 4,071.74 is: 6,107.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,459.18 : 21,686.85 = 4,071.74 : x
  2. Step 2: Convert to fraction form
    14,459.18/21,686.85 = 4,071.74/x
  3. Step 3: Cross multiply
    14,459.18x = 21,686.85 × 4,071.74
  4. Step 4: Simplify right side
    14,459.18x = 88,303,214.62
  5. Step 5: Solve for x
    x = 88,303,214.62/14,459.18
  6. Step 6: Final answer
    x = 6,107.07

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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.