Home / 16,065.99-22,178-12,088.08

Finding the Fourth Proportional to 16,065.99, 22,178 and 12,088.08

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Solution

The fourth proportional to 16,065.99, 22,178 and 12,088.08 is: 16,686.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,065.99 : 22,178 = 12,088.08 : x
  2. Step 2: Convert to fraction form
    16,065.99/22,178 = 12,088.08/x
  3. Step 3: Cross multiply
    16,065.99x = 22,178 × 12,088.08
  4. Step 4: Simplify right side
    16,065.99x = 268,089,438.24
  5. Step 5: Solve for x
    x = 268,089,438.24/16,065.99
  6. Step 6: Final answer
    x = 16,686.77

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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.