Home / 13,240.84-18,253.05-9,457.33

Finding the Fourth Proportional to 13,240.84, 18,253.05 and 9,457.33

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Solution

The fourth proportional to 13,240.84, 18,253.05 and 9,457.33 is: 13,037.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240.84 : 18,253.05 = 9,457.33 : x
  2. Step 2: Convert to fraction form
    13,240.84/18,253.05 = 9,457.33/x
  3. Step 3: Cross multiply
    13,240.84x = 18,253.05 × 9,457.33
  4. Step 4: Simplify right side
    13,240.84x = 172,625,117.36
  5. Step 5: Solve for x
    x = 172,625,117.36/13,240.84
  6. Step 6: Final answer
    x = 13,037.32

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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.