Home / 19,243.16-26,557.74-10,859

Finding the Fourth Proportional to 19,243.16, 26,557.74 and 10,859

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Solution

The fourth proportional to 19,243.16, 26,557.74 and 10,859 is: 14,986.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,243.16 : 26,557.74 = 10,859 : x
  2. Step 2: Convert to fraction form
    19,243.16/26,557.74 = 10,859/x
  3. Step 3: Cross multiply
    19,243.16x = 26,557.74 × 10,859
  4. Step 4: Simplify right side
    19,243.16x = 288,390,498.66
  5. Step 5: Solve for x
    x = 288,390,498.66/19,243.16
  6. Step 6: Final answer
    x = 14,986.65

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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.