Home / 18,555.84-25,606.32-10,172.34

Finding the Fourth Proportional to 18,555.84, 25,606.32 and 10,172.34

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Solution

The fourth proportional to 18,555.84, 25,606.32 and 10,172.34 is: 14,037.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,555.84 : 25,606.32 = 10,172.34 : x
  2. Step 2: Convert to fraction form
    18,555.84/25,606.32 = 10,172.34/x
  3. Step 3: Cross multiply
    18,555.84x = 25,606.32 × 10,172.34
  4. Step 4: Simplify right side
    18,555.84x = 260,476,193.19
  5. Step 5: Solve for x
    x = 260,476,193.19/18,555.84
  6. Step 6: Final answer
    x = 14,037.42

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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.