Home / 15,774.52-23,660.70-5,386.04

Finding the Fourth Proportional to 15,774.52, 23,660.70 and 5,386.04

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Solution

The fourth proportional to 15,774.52, 23,660.70 and 5,386.04 is: 8,078.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774.52 : 23,660.70 = 5,386.04 : x
  2. Step 2: Convert to fraction form
    15,774.52/23,660.70 = 5,386.04/x
  3. Step 3: Cross multiply
    15,774.52x = 23,660.70 × 5,386.04
  4. Step 4: Simplify right side
    15,774.52x = 127,437,476.63
  5. Step 5: Solve for x
    x = 127,437,476.63/15,774.52
  6. Step 6: Final answer
    x = 8,078.69

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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.