Home / 21,508.02-29,682.30-14,325.48

Finding the Fourth Proportional to 21,508.02, 29,682.30 and 14,325.48

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Solution

The fourth proportional to 21,508.02, 29,682.30 and 14,325.48 is: 19,769.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,508.02 : 29,682.30 = 14,325.48 : x
  2. Step 2: Convert to fraction form
    21,508.02/29,682.30 = 14,325.48/x
  3. Step 3: Cross multiply
    21,508.02x = 29,682.30 × 14,325.48
  4. Step 4: Simplify right side
    21,508.02x = 425,213,195.00
  5. Step 5: Solve for x
    x = 425,213,195.00/21,508.02
  6. Step 6: Final answer
    x = 19,769.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.