Home / 16,392.02-22,617.60-10,421.52

Finding the Fourth Proportional to 16,392.02, 22,617.60 and 10,421.52

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Solution

The fourth proportional to 16,392.02, 22,617.60 and 10,421.52 is: 14,379.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,392.02 : 22,617.60 = 10,421.52 : x
  2. Step 2: Convert to fraction form
    16,392.02/22,617.60 = 10,421.52/x
  3. Step 3: Cross multiply
    16,392.02x = 22,617.60 × 10,421.52
  4. Step 4: Simplify right side
    16,392.02x = 235,709,770.75
  5. Step 5: Solve for x
    x = 235,709,770.75/16,392.02
  6. Step 6: Final answer
    x = 14,379.54

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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.