Home / 19,152.40-26,430.26-11,193.04

Finding the Fourth Proportional to 19,152.40, 26,430.26 and 11,193.04

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Solution

The fourth proportional to 19,152.40, 26,430.26 and 11,193.04 is: 15,446.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152.40 : 26,430.26 = 11,193.04 : x
  2. Step 2: Convert to fraction form
    19,152.40/26,430.26 = 11,193.04/x
  3. Step 3: Cross multiply
    19,152.40x = 26,430.26 × 11,193.04
  4. Step 4: Simplify right side
    19,152.40x = 295,834,957.39
  5. Step 5: Solve for x
    x = 295,834,957.39/19,152.40
  6. Step 6: Final answer
    x = 15,446.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.