Home / 19,435.89-29,158.08-6,289.59

Finding the Fourth Proportional to 19,435.89, 29,158.08 and 6,289.59

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Solution

The fourth proportional to 19,435.89, 29,158.08 and 6,289.59 is: 9,435.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,435.89 : 29,158.08 = 6,289.59 : x
  2. Step 2: Convert to fraction form
    19,435.89/29,158.08 = 6,289.59/x
  3. Step 3: Cross multiply
    19,435.89x = 29,158.08 × 6,289.59
  4. Step 4: Simplify right side
    19,435.89x = 183,392,368.39
  5. Step 5: Solve for x
    x = 183,392,368.39/19,435.89
  6. Step 6: Final answer
    x = 9,435.76

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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.