Home / 19,026.30-26,254.52-12,881.51

Finding the Fourth Proportional to 19,026.30, 26,254.52 and 12,881.51

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Solution

The fourth proportional to 19,026.30, 26,254.52 and 12,881.51 is: 17,775.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,026.30 : 26,254.52 = 12,881.51 : x
  2. Step 2: Convert to fraction form
    19,026.30/26,254.52 = 12,881.51/x
  3. Step 3: Cross multiply
    19,026.30x = 26,254.52 × 12,881.51
  4. Step 4: Simplify right side
    19,026.30x = 338,197,813.01
  5. Step 5: Solve for x
    x = 338,197,813.01/19,026.30
  6. Step 6: Final answer
    x = 17,775.28

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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.