Home / 21,719.12-32,541.44-14,589.99

Finding the Fourth Proportional to 21,719.12, 32,541.44 and 14,589.99

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Solution

The fourth proportional to 21,719.12, 32,541.44 and 14,589.99 is: 21,859.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,719.12 : 32,541.44 = 14,589.99 : x
  2. Step 2: Convert to fraction form
    21,719.12/32,541.44 = 14,589.99/x
  3. Step 3: Cross multiply
    21,719.12x = 32,541.44 × 14,589.99
  4. Step 4: Simplify right side
    21,719.12x = 474,779,211.24
  5. Step 5: Solve for x
    x = 474,779,211.24/21,719.12
  6. Step 6: Final answer
    x = 21,859.97

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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.