Home / 14,100.48-19,459.44-7,812.72

Finding the Fourth Proportional to 14,100.48, 19,459.44 and 7,812.72

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Solution

The fourth proportional to 14,100.48, 19,459.44 and 7,812.72 is: 10,781.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100.48 : 19,459.44 = 7,812.72 : x
  2. Step 2: Convert to fraction form
    14,100.48/19,459.44 = 7,812.72/x
  3. Step 3: Cross multiply
    14,100.48x = 19,459.44 × 7,812.72
  4. Step 4: Simplify right side
    14,100.48x = 152,031,156.08
  5. Step 5: Solve for x
    x = 152,031,156.08/14,100.48
  6. Step 6: Final answer
    x = 10,781.98

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1.5x scale

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.