Home / 19,152.40-26,408.51-13,485.33

Finding the Fourth Proportional to 19,152.40, 26,408.51 and 13,485.33

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Solution

The fourth proportional to 19,152.40, 26,408.51 and 13,485.33 is: 18,594.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152.40 : 26,408.51 = 13,485.33 : x
  2. Step 2: Convert to fraction form
    19,152.40/26,408.51 = 13,485.33/x
  3. Step 3: Cross multiply
    19,152.40x = 26,408.51 × 13,485.33
  4. Step 4: Simplify right side
    19,152.40x = 356,127,472.16
  5. Step 5: Solve for x
    x = 356,127,472.16/19,152.40
  6. Step 6: Final answer
    x = 18,594.41

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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.