Home / 14,152.12-19,526.67-8,779.39

Finding the Fourth Proportional to 14,152.12, 19,526.67 and 8,779.39

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Solution

The fourth proportional to 14,152.12, 19,526.67 and 8,779.39 is: 12,113.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152.12 : 19,526.67 = 8,779.39 : x
  2. Step 2: Convert to fraction form
    14,152.12/19,526.67 = 8,779.39/x
  3. Step 3: Cross multiply
    14,152.12x = 19,526.67 × 8,779.39
  4. Step 4: Simplify right side
    14,152.12x = 171,432,202.51
  5. Step 5: Solve for x
    x = 171,432,202.51/14,152.12
  6. Step 6: Final answer
    x = 12,113.54

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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.