Home / 14,482.05-19,988.35-8,818.67

Finding the Fourth Proportional to 14,482.05, 19,988.35 and 8,818.67

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Solution

The fourth proportional to 14,482.05, 19,988.35 and 8,818.67 is: 12,171.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,482.05 : 19,988.35 = 8,818.67 : x
  2. Step 2: Convert to fraction form
    14,482.05/19,988.35 = 8,818.67/x
  3. Step 3: Cross multiply
    14,482.05x = 19,988.35 × 8,818.67
  4. Step 4: Simplify right side
    14,482.05x = 176,270,721.42
  5. Step 5: Solve for x
    x = 176,270,721.42/14,482.05
  6. Step 6: Final answer
    x = 12,171.67

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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.