Home / 32,638.68-45,040.86-19,208.34

Finding the Fourth Proportional to 32,638.68, 45,040.86 and 19,208.34

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Solution

The fourth proportional to 32,638.68, 45,040.86 and 19,208.34 is: 26,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,638.68 : 45,040.86 = 19,208.34 : x
  2. Step 2: Convert to fraction form
    32,638.68/45,040.86 = 19,208.34/x
  3. Step 3: Cross multiply
    32,638.68x = 45,040.86 × 19,208.34
  4. Step 4: Simplify right side
    32,638.68x = 865,160,152.77
  5. Step 5: Solve for x
    x = 865,160,152.77/32,638.68
  6. Step 6: Final answer
    x = 26,507.20

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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.