Home / 35,429.40-53,112.48-13,225.68

Finding the Fourth Proportional to 35,429.40, 53,112.48 and 13,225.68

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Solution

The fourth proportional to 35,429.40, 53,112.48 and 13,225.68 is: 19,826.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,429.40 : 53,112.48 = 13,225.68 : x
  2. Step 2: Convert to fraction form
    35,429.40/53,112.48 = 13,225.68/x
  3. Step 3: Cross multiply
    35,429.40x = 53,112.48 × 13,225.68
  4. Step 4: Simplify right side
    35,429.40x = 702,448,664.49
  5. Step 5: Solve for x
    x = 702,448,664.49/35,429.40
  6. Step 6: Final answer
    x = 19,826.72

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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.