Home / 14,472.16-19,971.44-7,848.16

Finding the Fourth Proportional to 14,472.16, 19,971.44 and 7,848.16

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Solution

The fourth proportional to 14,472.16, 19,971.44 and 7,848.16 is: 10,830.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,472.16 : 19,971.44 = 7,848.16 : x
  2. Step 2: Convert to fraction form
    14,472.16/19,971.44 = 7,848.16/x
  3. Step 3: Cross multiply
    14,472.16x = 19,971.44 × 7,848.16
  4. Step 4: Simplify right side
    14,472.16x = 156,739,056.55
  5. Step 5: Solve for x
    x = 156,739,056.55/14,472.16
  6. Step 6: Final answer
    x = 10,830.38

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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.