Home / 19,530.35-26,951.80-10,916.52

Finding the Fourth Proportional to 19,530.35, 26,951.80 and 10,916.52

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Solution

The fourth proportional to 19,530.35, 26,951.80 and 10,916.52 is: 15,064.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.35 : 26,951.80 = 10,916.52 : x
  2. Step 2: Convert to fraction form
    19,530.35/26,951.80 = 10,916.52/x
  3. Step 3: Cross multiply
    19,530.35x = 26,951.80 × 10,916.52
  4. Step 4: Simplify right side
    19,530.35x = 294,219,931.12
  5. Step 5: Solve for x
    x = 294,219,931.12/19,530.35
  6. Step 6: Final answer
    x = 15,064.75

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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.