Home / 15,774.55-23,620.79-15,307.08

Finding the Fourth Proportional to 15,774.55, 23,620.79 and 15,307.08

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Solution

The fourth proportional to 15,774.55, 23,620.79 and 15,307.08 is: 22,920.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774.55 : 23,620.79 = 15,307.08 : x
  2. Step 2: Convert to fraction form
    15,774.55/23,620.79 = 15,307.08/x
  3. Step 3: Cross multiply
    15,774.55x = 23,620.79 × 15,307.08
  4. Step 4: Simplify right side
    15,774.55x = 361,565,127.55
  5. Step 5: Solve for x
    x = 361,565,127.55/15,774.55
  6. Step 6: Final answer
    x = 22,920.79

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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.