Home / 25,547.14-38,326.48-7,779.39

Finding the Fourth Proportional to 25,547.14, 38,326.48 and 7,779.39

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Solution

The fourth proportional to 25,547.14, 38,326.48 and 7,779.39 is: 11,670.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,547.14 : 38,326.48 = 7,779.39 : x
  2. Step 2: Convert to fraction form
    25,547.14/38,326.48 = 7,779.39/x
  3. Step 3: Cross multiply
    25,547.14x = 38,326.48 × 7,779.39
  4. Step 4: Simplify right side
    25,547.14x = 298,156,615.80
  5. Step 5: Solve for x
    x = 298,156,615.80/25,547.14
  6. Step 6: Final answer
    x = 11,670.84

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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.