Home / 14,026.32-21,038.76-4,165.68

Finding the Fourth Proportional to 14,026.32, 21,038.76 and 4,165.68

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Solution

The fourth proportional to 14,026.32, 21,038.76 and 4,165.68 is: 6,248.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,026.32 : 21,038.76 = 4,165.68 : x
  2. Step 2: Convert to fraction form
    14,026.32/21,038.76 = 4,165.68/x
  3. Step 3: Cross multiply
    14,026.32x = 21,038.76 × 4,165.68
  4. Step 4: Simplify right side
    14,026.32x = 87,640,741.76
  5. Step 5: Solve for x
    x = 87,640,741.76/14,026.32
  6. Step 6: Final answer
    x = 6,248.31

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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.