Home / 19,788.18-27,306.86-10,835.45

Finding the Fourth Proportional to 19,788.18, 27,306.86 and 10,835.45

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Solution

The fourth proportional to 19,788.18, 27,306.86 and 10,835.45 is: 14,952.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788.18 : 27,306.86 = 10,835.45 : x
  2. Step 2: Convert to fraction form
    19,788.18/27,306.86 = 10,835.45/x
  3. Step 3: Cross multiply
    19,788.18x = 27,306.86 × 10,835.45
  4. Step 4: Simplify right side
    19,788.18x = 295,881,925.48
  5. Step 5: Solve for x
    x = 295,881,925.48/19,788.18
  6. Step 6: Final answer
    x = 14,952.46

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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.