Home / 25,145.79-34,699.64-14,533.71

Finding the Fourth Proportional to 25,145.79, 34,699.64 and 14,533.71

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Solution

The fourth proportional to 25,145.79, 34,699.64 and 14,533.71 is: 20,055.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,145.79 : 34,699.64 = 14,533.71 : x
  2. Step 2: Convert to fraction form
    25,145.79/34,699.64 = 14,533.71/x
  3. Step 3: Cross multiply
    25,145.79x = 34,699.64 × 14,533.71
  4. Step 4: Simplify right side
    25,145.79x = 504,314,432.20
  5. Step 5: Solve for x
    x = 504,314,432.20/25,145.79
  6. Step 6: Final answer
    x = 20,055.62

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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.