Home / 20,093.79-30,140.73-9,698.25

Finding the Fourth Proportional to 20,093.79, 30,140.73 and 9,698.25

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Solution

The fourth proportional to 20,093.79, 30,140.73 and 9,698.25 is: 14,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,093.79 : 30,140.73 = 9,698.25 : x
  2. Step 2: Convert to fraction form
    20,093.79/30,140.73 = 9,698.25/x
  3. Step 3: Cross multiply
    20,093.79x = 30,140.73 × 9,698.25
  4. Step 4: Simplify right side
    20,093.79x = 292,312,334.72
  5. Step 5: Solve for x
    x = 292,312,334.72/20,093.79
  6. Step 6: Final answer
    x = 14,547.40

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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.