Home / 14,010.72-21,010.84-4,649.00

Finding the Fourth Proportional to 14,010.72, 21,010.84 and 4,649.00

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Solution

The fourth proportional to 14,010.72, 21,010.84 and 4,649.00 is: 6,971.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.72 : 21,010.84 = 4,649.00 : x
  2. Step 2: Convert to fraction form
    14,010.72/21,010.84 = 4,649.00/x
  3. Step 3: Cross multiply
    14,010.72x = 21,010.84 × 4,649.00
  4. Step 4: Simplify right side
    14,010.72x = 97,679,304.63
  5. Step 5: Solve for x
    x = 97,679,304.63/14,010.72
  6. Step 6: Final answer
    x = 6,971.75

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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.