Home / 14,143.06-19,501.32-9,031.69

Finding the Fourth Proportional to 14,143.06, 19,501.32 and 9,031.69

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Solution

The fourth proportional to 14,143.06, 19,501.32 and 9,031.69 is: 12,453.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,143.06 : 19,501.32 = 9,031.69 : x
  2. Step 2: Convert to fraction form
    14,143.06/19,501.32 = 9,031.69/x
  3. Step 3: Cross multiply
    14,143.06x = 19,501.32 × 9,031.69
  4. Step 4: Simplify right side
    14,143.06x = 176,129,876.83
  5. Step 5: Solve for x
    x = 176,129,876.83/14,143.06
  6. Step 6: Final answer
    x = 12,453.45

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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.