Home / 18,275.41-25,220.08-10,317.46

Finding the Fourth Proportional to 18,275.41, 25,220.08 and 10,317.46

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Solution

The fourth proportional to 18,275.41, 25,220.08 and 10,317.46 is: 14,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275.41 : 25,220.08 = 10,317.46 : x
  2. Step 2: Convert to fraction form
    18,275.41/25,220.08 = 10,317.46/x
  3. Step 3: Cross multiply
    18,275.41x = 25,220.08 × 10,317.46
  4. Step 4: Simplify right side
    18,275.41x = 260,207,166.60
  5. Step 5: Solve for x
    x = 260,207,166.60/18,275.41
  6. Step 6: Final answer
    x = 14,238.10

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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.