Home / 19,445.51-29,165.01-5,403.60

Finding the Fourth Proportional to 19,445.51, 29,165.01 and 5,403.60

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Solution

The fourth proportional to 19,445.51, 29,165.01 and 5,403.60 is: 8,104.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,445.51 : 29,165.01 = 5,403.60 : x
  2. Step 2: Convert to fraction form
    19,445.51/29,165.01 = 5,403.60/x
  3. Step 3: Cross multiply
    19,445.51x = 29,165.01 × 5,403.60
  4. Step 4: Simplify right side
    19,445.51x = 157,596,017.15
  5. Step 5: Solve for x
    x = 157,596,017.15/19,445.51
  6. Step 6: Final answer
    x = 8,104.50

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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.