Home / 14,605.70-21,903.15-4,745.30

Finding the Fourth Proportional to 14,605.70, 21,903.15 and 4,745.30

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Solution

The fourth proportional to 14,605.70, 21,903.15 and 4,745.30 is: 7,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,605.70 : 21,903.15 = 4,745.30 : x
  2. Step 2: Convert to fraction form
    14,605.70/21,903.15 = 4,745.30/x
  3. Step 3: Cross multiply
    14,605.70x = 21,903.15 × 4,745.30
  4. Step 4: Simplify right side
    14,605.70x = 103,937,017.70
  5. Step 5: Solve for x
    x = 103,937,017.70/14,605.70
  6. Step 6: Final answer
    x = 7,116.20

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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.