Home / 18,411.84-25,407.42-10,453.02

Finding the Fourth Proportional to 18,411.84, 25,407.42 and 10,453.02

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Solution

The fourth proportional to 18,411.84, 25,407.42 and 10,453.02 is: 14,424.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411.84 : 25,407.42 = 10,453.02 : x
  2. Step 2: Convert to fraction form
    18,411.84/25,407.42 = 10,453.02/x
  3. Step 3: Cross multiply
    18,411.84x = 25,407.42 × 10,453.02
  4. Step 4: Simplify right side
    18,411.84x = 265,584,269.41
  5. Step 5: Solve for x
    x = 265,584,269.41/18,411.84
  6. Step 6: Final answer
    x = 14,424.65

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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.