Home / 14,342.66-19,763.70-10,985.48

Finding the Fourth Proportional to 14,342.66, 19,763.70 and 10,985.48

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Solution

The fourth proportional to 14,342.66, 19,763.70 and 10,985.48 is: 15,137.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.66 : 19,763.70 = 10,985.48 : x
  2. Step 2: Convert to fraction form
    14,342.66/19,763.70 = 10,985.48/x
  3. Step 3: Cross multiply
    14,342.66x = 19,763.70 × 10,985.48
  4. Step 4: Simplify right side
    14,342.66x = 217,113,731.08
  5. Step 5: Solve for x
    x = 217,113,731.08/14,342.66
  6. Step 6: Final answer
    x = 15,137.62

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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.