Home / 14,135.72-19,507.20-7,848.12

Finding the Fourth Proportional to 14,135.72, 19,507.20 and 7,848.12

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Solution

The fourth proportional to 14,135.72, 19,507.20 and 7,848.12 is: 10,830.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.72 : 19,507.20 = 7,848.12 : x
  2. Step 2: Convert to fraction form
    14,135.72/19,507.20 = 7,848.12/x
  3. Step 3: Cross multiply
    14,135.72x = 19,507.20 × 7,848.12
  4. Step 4: Simplify right side
    14,135.72x = 153,094,846.46
  5. Step 5: Solve for x
    x = 153,094,846.46/14,135.72
  6. Step 6: Final answer
    x = 10,830.35

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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.