Home / 20,592.36-30,814.72-17,828.55

Finding the Fourth Proportional to 20,592.36, 30,814.72 and 17,828.55

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Solution

The fourth proportional to 20,592.36, 30,814.72 and 17,828.55 is: 26,678.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,592.36 : 30,814.72 = 17,828.55 : x
  2. Step 2: Convert to fraction form
    20,592.36/30,814.72 = 17,828.55/x
  3. Step 3: Cross multiply
    20,592.36x = 30,814.72 × 17,828.55
  4. Step 4: Simplify right side
    20,592.36x = 549,381,776.26
  5. Step 5: Solve for x
    x = 549,381,776.26/20,592.36
  6. Step 6: Final answer
    x = 26,678.91

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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.