Home / 43,688.76-65,533.18-10,856.76

Finding the Fourth Proportional to 43,688.76, 65,533.18 and 10,856.76

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Solution

The fourth proportional to 43,688.76, 65,533.18 and 10,856.76 is: 16,285.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,688.76 : 65,533.18 = 10,856.76 : x
  2. Step 2: Convert to fraction form
    43,688.76/65,533.18 = 10,856.76/x
  3. Step 3: Cross multiply
    43,688.76x = 65,533.18 × 10,856.76
  4. Step 4: Simplify right side
    43,688.76x = 711,478,007.30
  5. Step 5: Solve for x
    x = 711,478,007.30/43,688.76
  6. Step 6: Final answer
    x = 16,285.15

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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.