Home / 14,310.04-19,748.87-7,938.67

Finding the Fourth Proportional to 14,310.04, 19,748.87 and 7,938.67

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Solution

The fourth proportional to 14,310.04, 19,748.87 and 7,938.67 is: 10,955.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,310.04 : 19,748.87 = 7,938.67 : x
  2. Step 2: Convert to fraction form
    14,310.04/19,748.87 = 7,938.67/x
  3. Step 3: Cross multiply
    14,310.04x = 19,748.87 × 7,938.67
  4. Step 4: Simplify right side
    14,310.04x = 156,779,722.11
  5. Step 5: Solve for x
    x = 156,779,722.11/14,310.04
  6. Step 6: Final answer
    x = 10,955.92

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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.