Home / 14,038.90-21,052.98-4,677.12

Finding the Fourth Proportional to 14,038.90, 21,052.98 and 4,677.12

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Solution

The fourth proportional to 14,038.90, 21,052.98 and 4,677.12 is: 7,013.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,038.90 : 21,052.98 = 4,677.12 : x
  2. Step 2: Convert to fraction form
    14,038.90/21,052.98 = 4,677.12/x
  3. Step 3: Cross multiply
    14,038.90x = 21,052.98 × 4,677.12
  4. Step 4: Simplify right side
    14,038.90x = 98,467,313.82
  5. Step 5: Solve for x
    x = 98,467,313.82/14,038.90
  6. Step 6: Final answer
    x = 7,013.89

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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.