Home / 25,397.12-38,095.68-6,929.28

Finding the Fourth Proportional to 25,397.12, 38,095.68 and 6,929.28

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Solution

The fourth proportional to 25,397.12, 38,095.68 and 6,929.28 is: 10,393.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,397.12 : 38,095.68 = 6,929.28 : x
  2. Step 2: Convert to fraction form
    25,397.12/38,095.68 = 6,929.28/x
  3. Step 3: Cross multiply
    25,397.12x = 38,095.68 × 6,929.28
  4. Step 4: Simplify right side
    25,397.12x = 263,975,633.51
  5. Step 5: Solve for x
    x = 263,975,633.51/25,397.12
  6. Step 6: Final answer
    x = 10,393.92

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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.