Home / 15,529.26-21,455.43-10,834.50

Finding the Fourth Proportional to 15,529.26, 21,455.43 and 10,834.50

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Solution

The fourth proportional to 15,529.26, 21,455.43 and 10,834.50 is: 14,969.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,529.26 : 21,455.43 = 10,834.50 : x
  2. Step 2: Convert to fraction form
    15,529.26/21,455.43 = 10,834.50/x
  3. Step 3: Cross multiply
    15,529.26x = 21,455.43 × 10,834.50
  4. Step 4: Simplify right side
    15,529.26x = 232,458,856.34
  5. Step 5: Solve for x
    x = 232,458,856.34/15,529.26
  6. Step 6: Final answer
    x = 14,969.09

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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.