Home / 15,435.96-23,140.98-10,491.72

Finding the Fourth Proportional to 15,435.96, 23,140.98 and 10,491.72

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Solution

The fourth proportional to 15,435.96, 23,140.98 and 10,491.72 is: 15,728.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435.96 : 23,140.98 = 10,491.72 : x
  2. Step 2: Convert to fraction form
    15,435.96/23,140.98 = 10,491.72/x
  3. Step 3: Cross multiply
    15,435.96x = 23,140.98 × 10,491.72
  4. Step 4: Simplify right side
    15,435.96x = 242,788,682.69
  5. Step 5: Solve for x
    x = 242,788,682.69/15,435.96
  6. Step 6: Final answer
    x = 15,728.77

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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.