Home / 19,417.47-26,795.73-10,919.70

Finding the Fourth Proportional to 19,417.47, 26,795.73 and 10,919.70

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Solution

The fourth proportional to 19,417.47, 26,795.73 and 10,919.70 is: 15,068.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,417.47 : 26,795.73 = 10,919.70 : x
  2. Step 2: Convert to fraction form
    19,417.47/26,795.73 = 10,919.70/x
  3. Step 3: Cross multiply
    19,417.47x = 26,795.73 × 10,919.70
  4. Step 4: Simplify right side
    19,417.47x = 292,601,332.88
  5. Step 5: Solve for x
    x = 292,601,332.88/19,417.47
  6. Step 6: Final answer
    x = 15,068.97

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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.