Home / 16,554.22-22,829.69-12,315.90

Finding the Fourth Proportional to 16,554.22, 22,829.69 and 12,315.90

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Solution

The fourth proportional to 16,554.22, 22,829.69 and 12,315.90 is: 16,984.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,554.22 : 22,829.69 = 12,315.90 : x
  2. Step 2: Convert to fraction form
    16,554.22/22,829.69 = 12,315.90/x
  3. Step 3: Cross multiply
    16,554.22x = 22,829.69 × 12,315.90
  4. Step 4: Simplify right side
    16,554.22x = 281,168,034.13
  5. Step 5: Solve for x
    x = 281,168,034.13/16,554.22
  6. Step 6: Final answer
    x = 16,984.67

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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.