Home / 36,905.51-55,351.37-9,888.17

Finding the Fourth Proportional to 36,905.51, 55,351.37 and 9,888.17

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Solution

The fourth proportional to 36,905.51, 55,351.37 and 9,888.17 is: 14,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,905.51 : 55,351.37 = 9,888.17 : x
  2. Step 2: Convert to fraction form
    36,905.51/55,351.37 = 9,888.17/x
  3. Step 3: Cross multiply
    36,905.51x = 55,351.37 × 9,888.17
  4. Step 4: Simplify right side
    36,905.51x = 547,323,430.10
  5. Step 5: Solve for x
    x = 547,323,430.10/36,905.51
  6. Step 6: Final answer
    x = 14,830.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.