Home / 14,211.58-21,317.93-5,325.98

Finding the Fourth Proportional to 14,211.58, 21,317.93 and 5,325.98

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Solution

The fourth proportional to 14,211.58, 21,317.93 and 5,325.98 is: 7,989.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.58 : 21,317.93 = 5,325.98 : x
  2. Step 2: Convert to fraction form
    14,211.58/21,317.93 = 5,325.98/x
  3. Step 3: Cross multiply
    14,211.58x = 21,317.93 × 5,325.98
  4. Step 4: Simplify right side
    14,211.58x = 113,538,868.82
  5. Step 5: Solve for x
    x = 113,538,868.82/14,211.58
  6. Step 6: Final answer
    x = 7,989.18

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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.