Home / 25,040.81-34,555.00-13,708.13

Finding the Fourth Proportional to 25,040.81, 34,555.00 and 13,708.13

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Solution

The fourth proportional to 25,040.81, 34,555.00 and 13,708.13 is: 18,916.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,040.81 : 34,555.00 = 13,708.13 : x
  2. Step 2: Convert to fraction form
    25,040.81/34,555.00 = 13,708.13/x
  3. Step 3: Cross multiply
    25,040.81x = 34,555.00 × 13,708.13
  4. Step 4: Simplify right side
    25,040.81x = 473,684,354.69
  5. Step 5: Solve for x
    x = 473,684,354.69/25,040.81
  6. Step 6: Final answer
    x = 18,916.50

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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.