Home / 34,140.64-51,210.90-13,349.56

Finding the Fourth Proportional to 34,140.64, 51,210.90 and 13,349.56

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Solution

The fourth proportional to 34,140.64, 51,210.90 and 13,349.56 is: 20,024.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,140.64 : 51,210.90 = 13,349.56 : x
  2. Step 2: Convert to fraction form
    34,140.64/51,210.90 = 13,349.56/x
  3. Step 3: Cross multiply
    34,140.64x = 51,210.90 × 13,349.56
  4. Step 4: Simplify right side
    34,140.64x = 683,642,982.20
  5. Step 5: Solve for x
    x = 683,642,982.20/34,140.64
  6. Step 6: Final answer
    x = 20,024.32

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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.