Home / 18,011.40-24,855.55-10,054.99

Finding the Fourth Proportional to 18,011.40, 24,855.55 and 10,054.99

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Solution

The fourth proportional to 18,011.40, 24,855.55 and 10,054.99 is: 13,875.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,011.40 : 24,855.55 = 10,054.99 : x
  2. Step 2: Convert to fraction form
    18,011.40/24,855.55 = 10,054.99/x
  3. Step 3: Cross multiply
    18,011.40x = 24,855.55 × 10,054.99
  4. Step 4: Simplify right side
    18,011.40x = 249,922,306.69
  5. Step 5: Solve for x
    x = 249,922,306.69/18,011.40
  6. Step 6: Final answer
    x = 13,875.78

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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.