Home / 32,686.05-45,109.80-19,261.47

Finding the Fourth Proportional to 32,686.05, 45,109.80 and 19,261.47

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Solution

The fourth proportional to 32,686.05, 45,109.80 and 19,261.47 is: 26,582.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,686.05 : 45,109.80 = 19,261.47 : x
  2. Step 2: Convert to fraction form
    32,686.05/45,109.80 = 19,261.47/x
  3. Step 3: Cross multiply
    32,686.05x = 45,109.80 × 19,261.47
  4. Step 4: Simplify right side
    32,686.05x = 868,881,059.41
  5. Step 5: Solve for x
    x = 868,881,059.41/32,686.05
  6. Step 6: Final answer
    x = 26,582.63

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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.