Home / 14,478.51-21,703.05-5,701.35

Finding the Fourth Proportional to 14,478.51, 21,703.05 and 5,701.35

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Solution

The fourth proportional to 14,478.51, 21,703.05 and 5,701.35 is: 8,546.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,478.51 : 21,703.05 = 5,701.35 : x
  2. Step 2: Convert to fraction form
    14,478.51/21,703.05 = 5,701.35/x
  3. Step 3: Cross multiply
    14,478.51x = 21,703.05 × 5,701.35
  4. Step 4: Simplify right side
    14,478.51x = 123,736,684.12
  5. Step 5: Solve for x
    x = 123,736,684.12/14,478.51
  6. Step 6: Final answer
    x = 8,546.23

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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.