Home / 15,475.42-21,373.67-10,430.94

Finding the Fourth Proportional to 15,475.42, 21,373.67 and 10,430.94

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Solution

The fourth proportional to 15,475.42, 21,373.67 and 10,430.94 is: 14,406.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,475.42 : 21,373.67 = 10,430.94 : x
  2. Step 2: Convert to fraction form
    15,475.42/21,373.67 = 10,430.94/x
  3. Step 3: Cross multiply
    15,475.42x = 21,373.67 × 10,430.94
  4. Step 4: Simplify right side
    15,475.42x = 222,947,310.33
  5. Step 5: Solve for x
    x = 222,947,310.33/15,475.42
  6. Step 6: Final answer
    x = 14,406.54

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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.