Home / 17,946.17-26,889.63-10,428.63

Finding the Fourth Proportional to 17,946.17, 26,889.63 and 10,428.63

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Solution

The fourth proportional to 17,946.17, 26,889.63 and 10,428.63 is: 15,625.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,946.17 : 26,889.63 = 10,428.63 : x
  2. Step 2: Convert to fraction form
    17,946.17/26,889.63 = 10,428.63/x
  3. Step 3: Cross multiply
    17,946.17x = 26,889.63 × 10,428.63
  4. Step 4: Simplify right side
    17,946.17x = 280,421,867.66
  5. Step 5: Solve for x
    x = 280,421,867.66/17,946.17
  6. Step 6: Final answer
    x = 15,625.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.