Home / 19,785.48-29,564.67-19,416.12

Finding the Fourth Proportional to 19,785.48, 29,564.67 and 19,416.12

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Solution

The fourth proportional to 19,785.48, 29,564.67 and 19,416.12 is: 29,012.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,785.48 : 29,564.67 = 19,416.12 : x
  2. Step 2: Convert to fraction form
    19,785.48/29,564.67 = 19,416.12/x
  3. Step 3: Cross multiply
    19,785.48x = 29,564.67 × 19,416.12
  4. Step 4: Simplify right side
    19,785.48x = 574,031,180.48
  5. Step 5: Solve for x
    x = 574,031,180.48/19,785.48
  6. Step 6: Final answer
    x = 29,012.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.