Home / 13,062.78-18,030.33-10,710.54

Finding the Fourth Proportional to 13,062.78, 18,030.33 and 10,710.54

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Solution

The fourth proportional to 13,062.78, 18,030.33 and 10,710.54 is: 14,783.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062.78 : 18,030.33 = 10,710.54 : x
  2. Step 2: Convert to fraction form
    13,062.78/18,030.33 = 10,710.54/x
  3. Step 3: Cross multiply
    13,062.78x = 18,030.33 × 10,710.54
  4. Step 4: Simplify right side
    13,062.78x = 193,114,570.68
  5. Step 5: Solve for x
    x = 193,114,570.68/13,062.78
  6. Step 6: Final answer
    x = 14,783.57

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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.