Home / 14,303.80-21,463.80-5,539.33

Finding the Fourth Proportional to 14,303.80, 21,463.80 and 5,539.33

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Solution

The fourth proportional to 14,303.80, 21,463.80 and 5,539.33 is: 8,312.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303.80 : 21,463.80 = 5,539.33 : x
  2. Step 2: Convert to fraction form
    14,303.80/21,463.80 = 5,539.33/x
  3. Step 3: Cross multiply
    14,303.80x = 21,463.80 × 5,539.33
  4. Step 4: Simplify right side
    14,303.80x = 118,895,071.25
  5. Step 5: Solve for x
    x = 118,895,071.25/14,303.80
  6. Step 6: Final answer
    x = 8,312.13

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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.