Home / 14,861.68-20,518.40-9,565.68

Finding the Fourth Proportional to 14,861.68, 20,518.40 and 9,565.68

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Solution

The fourth proportional to 14,861.68, 20,518.40 and 9,565.68 is: 13,206.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,861.68 : 20,518.40 = 9,565.68 : x
  2. Step 2: Convert to fraction form
    14,861.68/20,518.40 = 9,565.68/x
  3. Step 3: Cross multiply
    14,861.68x = 20,518.40 × 9,565.68
  4. Step 4: Simplify right side
    14,861.68x = 196,272,448.51
  5. Step 5: Solve for x
    x = 196,272,448.51/14,861.68
  6. Step 6: Final answer
    x = 13,206.61

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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.