Home / 14,026.90-21,038.73-4,165.15

Finding the Fourth Proportional to 14,026.90, 21,038.73 and 4,165.15

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Solution

The fourth proportional to 14,026.90, 21,038.73 and 4,165.15 is: 6,247.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,026.90 : 21,038.73 = 4,165.15 : x
  2. Step 2: Convert to fraction form
    14,026.90/21,038.73 = 4,165.15/x
  3. Step 3: Cross multiply
    14,026.90x = 21,038.73 × 4,165.15
  4. Step 4: Simplify right side
    14,026.90x = 87,629,466.26
  5. Step 5: Solve for x
    x = 87,629,466.26/14,026.90
  6. Step 6: Final answer
    x = 6,247.24

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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.