Home / 25,792.04-38,680.35-7,779.51

Finding the Fourth Proportional to 25,792.04, 38,680.35 and 7,779.51

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Solution

The fourth proportional to 25,792.04, 38,680.35 and 7,779.51 is: 11,666.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,792.04 : 38,680.35 = 7,779.51 : x
  2. Step 2: Convert to fraction form
    25,792.04/38,680.35 = 7,779.51/x
  3. Step 3: Cross multiply
    25,792.04x = 38,680.35 × 7,779.51
  4. Step 4: Simplify right side
    25,792.04x = 300,914,130.73
  5. Step 5: Solve for x
    x = 300,914,130.73/25,792.04
  6. Step 6: Final answer
    x = 11,666.94

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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.