Home / 25,143.23-34,697.93-13,812.99

Finding the Fourth Proportional to 25,143.23, 34,697.93 and 13,812.99

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Solution

The fourth proportional to 25,143.23, 34,697.93 and 13,812.99 is: 19,062.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,143.23 : 34,697.93 = 13,812.99 : x
  2. Step 2: Convert to fraction form
    25,143.23/34,697.93 = 13,812.99/x
  3. Step 3: Cross multiply
    25,143.23x = 34,697.93 × 13,812.99
  4. Step 4: Simplify right side
    25,143.23x = 479,282,091.05
  5. Step 5: Solve for x
    x = 479,282,091.05/25,143.23
  6. Step 6: Final answer
    x = 19,062.08

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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.