Home / 21,615.48-32,392.80-16,275.24

Finding the Fourth Proportional to 21,615.48, 32,392.80 and 16,275.24

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Solution

The fourth proportional to 21,615.48, 32,392.80 and 16,275.24 is: 24,389.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,615.48 : 32,392.80 = 16,275.24 : x
  2. Step 2: Convert to fraction form
    21,615.48/32,392.80 = 16,275.24/x
  3. Step 3: Cross multiply
    21,615.48x = 32,392.80 × 16,275.24
  4. Step 4: Simplify right side
    21,615.48x = 527,200,594.27
  5. Step 5: Solve for x
    x = 527,200,594.27/21,615.48
  6. Step 6: Final answer
    x = 24,389.96

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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.