Home / 14,012.16-21,020.40-4,776

Finding the Fourth Proportional to 14,012.16, 21,020.40 and 4,776

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Solution

The fourth proportional to 14,012.16, 21,020.40 and 4,776 is: 7,164.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.16 : 21,020.40 = 4,776 : x
  2. Step 2: Convert to fraction form
    14,012.16/21,020.40 = 4,776/x
  3. Step 3: Cross multiply
    14,012.16x = 21,020.40 × 4,776
  4. Step 4: Simplify right side
    14,012.16x = 100,393,430.40
  5. Step 5: Solve for x
    x = 100,393,430.40/14,012.16
  6. Step 6: Final answer
    x = 7,164.74

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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.