Home / 14,106.18-21,159.71-4,245.53

Finding the Fourth Proportional to 14,106.18, 21,159.71 and 4,245.53

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Solution

The fourth proportional to 14,106.18, 21,159.71 and 4,245.53 is: 6,368.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.18 : 21,159.71 = 4,245.53 : x
  2. Step 2: Convert to fraction form
    14,106.18/21,159.71 = 4,245.53/x
  3. Step 3: Cross multiply
    14,106.18x = 21,159.71 × 4,245.53
  4. Step 4: Simplify right side
    14,106.18x = 89,834,162.37
  5. Step 5: Solve for x
    x = 89,834,162.37/14,106.18
  6. Step 6: Final answer
    x = 6,368.43

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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.