Home / 14,030.96-19,364.56-9,779.27

Finding the Fourth Proportional to 14,030.96, 19,364.56 and 9,779.27

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Solution

The fourth proportional to 14,030.96, 19,364.56 and 9,779.27 is: 13,496.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,030.96 : 19,364.56 = 9,779.27 : x
  2. Step 2: Convert to fraction form
    14,030.96/19,364.56 = 9,779.27/x
  3. Step 3: Cross multiply
    14,030.96x = 19,364.56 × 9,779.27
  4. Step 4: Simplify right side
    14,030.96x = 189,371,260.67
  5. Step 5: Solve for x
    x = 189,371,260.67/14,030.96
  6. Step 6: Final answer
    x = 13,496.67

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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.