Home / 53,853.84-80,784.45-18,300.69

Finding the Fourth Proportional to 53,853.84, 80,784.45 and 18,300.69

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Solution

The fourth proportional to 53,853.84, 80,784.45 and 18,300.69 is: 27,452.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,853.84 : 80,784.45 = 18,300.69 : x
  2. Step 2: Convert to fraction form
    53,853.84/80,784.45 = 18,300.69/x
  3. Step 3: Cross multiply
    53,853.84x = 80,784.45 × 18,300.69
  4. Step 4: Simplify right side
    53,853.84x = 1,478,411,176.27
  5. Step 5: Solve for x
    x = 1,478,411,176.27/53,853.84
  6. Step 6: Final answer
    x = 27,452.29

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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.