Home / 18,565.02-25,615.32-10,498.86

Finding the Fourth Proportional to 18,565.02, 25,615.32 and 10,498.86

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Solution

The fourth proportional to 18,565.02, 25,615.32 and 10,498.86 is: 14,485.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.02 : 25,615.32 = 10,498.86 : x
  2. Step 2: Convert to fraction form
    18,565.02/25,615.32 = 10,498.86/x
  3. Step 3: Cross multiply
    18,565.02x = 25,615.32 × 10,498.86
  4. Step 4: Simplify right side
    18,565.02x = 268,931,658.54
  5. Step 5: Solve for x
    x = 268,931,658.54/18,565.02
  6. Step 6: Final answer
    x = 14,485.93

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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.