Home / 19,135.02-26,406.30-10,636.86

Finding the Fourth Proportional to 19,135.02, 26,406.30 and 10,636.86

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Solution

The fourth proportional to 19,135.02, 26,406.30 and 10,636.86 is: 14,678.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,135.02 : 26,406.30 = 10,636.86 : x
  2. Step 2: Convert to fraction form
    19,135.02/26,406.30 = 10,636.86/x
  3. Step 3: Cross multiply
    19,135.02x = 26,406.30 × 10,636.86
  4. Step 4: Simplify right side
    19,135.02x = 280,880,116.22
  5. Step 5: Solve for x
    x = 280,880,116.22/19,135.02
  6. Step 6: Final answer
    x = 14,678.85

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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.