Home / 15,585.52-23,378.04-3,898.72

Finding the Fourth Proportional to 15,585.52, 23,378.04 and 3,898.72

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Solution

The fourth proportional to 15,585.52, 23,378.04 and 3,898.72 is: 5,848.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,585.52 : 23,378.04 = 3,898.72 : x
  2. Step 2: Convert to fraction form
    15,585.52/23,378.04 = 3,898.72/x
  3. Step 3: Cross multiply
    15,585.52x = 23,378.04 × 3,898.72
  4. Step 4: Simplify right side
    15,585.52x = 91,144,432.11
  5. Step 5: Solve for x
    x = 91,144,432.11/15,585.52
  6. Step 6: Final answer
    x = 5,848.02

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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.