Home / 18,917.84-26,106.36-10,534.40

Finding the Fourth Proportional to 18,917.84, 26,106.36 and 10,534.40

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Solution

The fourth proportional to 18,917.84, 26,106.36 and 10,534.40 is: 14,537.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,917.84 : 26,106.36 = 10,534.40 : x
  2. Step 2: Convert to fraction form
    18,917.84/26,106.36 = 10,534.40/x
  3. Step 3: Cross multiply
    18,917.84x = 26,106.36 × 10,534.40
  4. Step 4: Simplify right side
    18,917.84x = 275,014,838.78
  5. Step 5: Solve for x
    x = 275,014,838.78/18,917.84
  6. Step 6: Final answer
    x = 14,537.33

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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.