Home / 26,443.34-39,639.51-9,798.86

Finding the Fourth Proportional to 26,443.34, 39,639.51 and 9,798.86

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Solution

The fourth proportional to 26,443.34, 39,639.51 and 9,798.86 is: 14,688.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,443.34 : 39,639.51 = 9,798.86 : x
  2. Step 2: Convert to fraction form
    26,443.34/39,639.51 = 9,798.86/x
  3. Step 3: Cross multiply
    26,443.34x = 39,639.51 × 9,798.86
  4. Step 4: Simplify right side
    26,443.34x = 388,422,008.96
  5. Step 5: Solve for x
    x = 388,422,008.96/26,443.34
  6. Step 6: Final answer
    x = 14,688.84

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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.