Home / 14,038.74-21,054.48-4,175.40

Finding the Fourth Proportional to 14,038.74, 21,054.48 and 4,175.40

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Solution

The fourth proportional to 14,038.74, 21,054.48 and 4,175.40 is: 6,262.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,038.74 : 21,054.48 = 4,175.40 : x
  2. Step 2: Convert to fraction form
    14,038.74/21,054.48 = 4,175.40/x
  3. Step 3: Cross multiply
    14,038.74x = 21,054.48 × 4,175.40
  4. Step 4: Simplify right side
    14,038.74x = 87,910,875.79
  5. Step 5: Solve for x
    x = 87,910,875.79/14,038.74
  6. Step 6: Final answer
    x = 6,262.02

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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.