Home / 14,064.03-19,407.60-7,776

Finding the Fourth Proportional to 14,064.03, 19,407.60 and 7,776

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Solution

The fourth proportional to 14,064.03, 19,407.60 and 7,776 is: 10,730.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,064.03 : 19,407.60 = 7,776 : x
  2. Step 2: Convert to fraction form
    14,064.03/19,407.60 = 7,776/x
  3. Step 3: Cross multiply
    14,064.03x = 19,407.60 × 7,776
  4. Step 4: Simplify right side
    14,064.03x = 150,913,497.60
  5. Step 5: Solve for x
    x = 150,913,497.60/14,064.03
  6. Step 6: Final answer
    x = 10,730.46

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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.