Home / 13,565.07-18,719.84-7,596.86

Finding the Fourth Proportional to 13,565.07, 18,719.84 and 7,596.86

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Solution

The fourth proportional to 13,565.07, 18,719.84 and 7,596.86 is: 10,483.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565.07 : 18,719.84 = 7,596.86 : x
  2. Step 2: Convert to fraction form
    13,565.07/18,719.84 = 7,596.86/x
  3. Step 3: Cross multiply
    13,565.07x = 18,719.84 × 7,596.86
  4. Step 4: Simplify right side
    13,565.07x = 142,211,929.10
  5. Step 5: Solve for x
    x = 142,211,929.10/13,565.07
  6. Step 6: Final answer
    x = 10,483.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.