Home / 16,455.40-24,688.86-4,769.32

Finding the Fourth Proportional to 16,455.40, 24,688.86 and 4,769.32

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Solution

The fourth proportional to 16,455.40, 24,688.86 and 4,769.32 is: 7,155.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,455.40 : 24,688.86 = 4,769.32 : x
  2. Step 2: Convert to fraction form
    16,455.40/24,688.86 = 4,769.32/x
  3. Step 3: Cross multiply
    16,455.40x = 24,688.86 × 4,769.32
  4. Step 4: Simplify right side
    16,455.40x = 117,749,073.78
  5. Step 5: Solve for x
    x = 117,749,073.78/16,455.40
  6. Step 6: Final answer
    x = 7,155.65

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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.