Home / 25,152.36-34,707.87-15,078.93

Finding the Fourth Proportional to 25,152.36, 34,707.87 and 15,078.93

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Solution

The fourth proportional to 25,152.36, 34,707.87 and 15,078.93 is: 20,807.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,152.36 : 34,707.87 = 15,078.93 : x
  2. Step 2: Convert to fraction form
    25,152.36/34,707.87 = 15,078.93/x
  3. Step 3: Cross multiply
    25,152.36x = 34,707.87 × 15,078.93
  4. Step 4: Simplify right side
    25,152.36x = 523,357,542.18
  5. Step 5: Solve for x
    x = 523,357,542.18/25,152.36
  6. Step 6: Final answer
    x = 20,807.49

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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.