Home / 14,501.31-20,031.35-10,943.19

Finding the Fourth Proportional to 14,501.31, 20,031.35 and 10,943.19

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Solution

The fourth proportional to 14,501.31, 20,031.35 and 10,943.19 is: 15,116.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,501.31 : 20,031.35 = 10,943.19 : x
  2. Step 2: Convert to fraction form
    14,501.31/20,031.35 = 10,943.19/x
  3. Step 3: Cross multiply
    14,501.31x = 20,031.35 × 10,943.19
  4. Step 4: Simplify right side
    14,501.31x = 219,206,814.29
  5. Step 5: Solve for x
    x = 219,206,814.29/14,501.31
  6. Step 6: Final answer
    x = 15,116.35

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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.