Home / 18,363.81-25,341.96-10,407.54

Finding the Fourth Proportional to 18,363.81, 25,341.96 and 10,407.54

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Solution

The fourth proportional to 18,363.81, 25,341.96 and 10,407.54 is: 14,362.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,363.81 : 25,341.96 = 10,407.54 : x
  2. Step 2: Convert to fraction form
    18,363.81/25,341.96 = 10,407.54/x
  3. Step 3: Cross multiply
    18,363.81x = 25,341.96 × 10,407.54
  4. Step 4: Simplify right side
    18,363.81x = 263,747,462.38
  5. Step 5: Solve for x
    x = 263,747,462.38/18,363.81
  6. Step 6: Final answer
    x = 14,362.35

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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.