Home / 35,709.36-53,532.36-13,507.20

Finding the Fourth Proportional to 35,709.36, 53,532.36 and 13,507.20

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Solution

The fourth proportional to 35,709.36, 53,532.36 and 13,507.20 is: 20,248.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,709.36 : 53,532.36 = 13,507.20 : x
  2. Step 2: Convert to fraction form
    35,709.36/53,532.36 = 13,507.20/x
  3. Step 3: Cross multiply
    35,709.36x = 53,532.36 × 13,507.20
  4. Step 4: Simplify right side
    35,709.36x = 723,072,292.99
  5. Step 5: Solve for x
    x = 723,072,292.99/35,709.36
  6. Step 6: Final answer
    x = 20,248.82

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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.