Home / 25,696.16-38,474.64-13,358.24

Finding the Fourth Proportional to 25,696.16, 38,474.64 and 13,358.24

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Solution

The fourth proportional to 25,696.16, 38,474.64 and 13,358.24 is: 20,001.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,696.16 : 38,474.64 = 13,358.24 : x
  2. Step 2: Convert to fraction form
    25,696.16/38,474.64 = 13,358.24/x
  3. Step 3: Cross multiply
    25,696.16x = 38,474.64 × 13,358.24
  4. Step 4: Simplify right side
    25,696.16x = 513,953,475.03
  5. Step 5: Solve for x
    x = 513,953,475.03/25,696.16
  6. Step 6: Final answer
    x = 20,001.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.