Home / 25,019.22-34,526.54-13,688.54

Finding the Fourth Proportional to 25,019.22, 34,526.54 and 13,688.54

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Solution

The fourth proportional to 25,019.22, 34,526.54 and 13,688.54 is: 18,890.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,019.22 : 34,526.54 = 13,688.54 : x
  2. Step 2: Convert to fraction form
    25,019.22/34,526.54 = 13,688.54/x
  3. Step 3: Cross multiply
    25,019.22x = 34,526.54 × 13,688.54
  4. Step 4: Simplify right side
    25,019.22x = 472,617,785.44
  5. Step 5: Solve for x
    x = 472,617,785.44/25,019.22
  6. Step 6: Final answer
    x = 18,890.19

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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.