Home / 25,547.66-38,308.61-7,774.91

Finding the Fourth Proportional to 25,547.66, 38,308.61 and 7,774.91

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Solution

The fourth proportional to 25,547.66, 38,308.61 and 7,774.91 is: 11,658.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,547.66 : 38,308.61 = 7,774.91 : x
  2. Step 2: Convert to fraction form
    25,547.66/38,308.61 = 7,774.91/x
  3. Step 3: Cross multiply
    25,547.66x = 38,308.61 × 7,774.91
  4. Step 4: Simplify right side
    25,547.66x = 297,845,922.79
  5. Step 5: Solve for x
    x = 297,845,922.79/25,547.66
  6. Step 6: Final answer
    x = 11,658.44

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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.