Home / 26,193.40-36,159.08-15,434.89

Finding the Fourth Proportional to 26,193.40, 36,159.08 and 15,434.89

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Solution

The fourth proportional to 26,193.40, 36,159.08 and 15,434.89 is: 21,307.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,193.40 : 36,159.08 = 15,434.89 : x
  2. Step 2: Convert to fraction form
    26,193.40/36,159.08 = 15,434.89/x
  3. Step 3: Cross multiply
    26,193.40x = 36,159.08 × 15,434.89
  4. Step 4: Simplify right side
    26,193.40x = 558,111,254.73
  5. Step 5: Solve for x
    x = 558,111,254.73/26,193.40
  6. Step 6: Final answer
    x = 21,307.33

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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.