Home / 34,065.09-47,009.47-18,957.49

Finding the Fourth Proportional to 34,065.09, 47,009.47 and 18,957.49

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Solution

The fourth proportional to 34,065.09, 47,009.47 and 18,957.49 is: 26,161.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,065.09 : 47,009.47 = 18,957.49 : x
  2. Step 2: Convert to fraction form
    34,065.09/47,009.47 = 18,957.49/x
  3. Step 3: Cross multiply
    34,065.09x = 47,009.47 × 18,957.49
  4. Step 4: Simplify right side
    34,065.09x = 891,181,557.43
  5. Step 5: Solve for x
    x = 891,181,557.43/34,065.09
  6. Step 6: Final answer
    x = 26,161.14

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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.