Home / 14,526.08-20,045.40-8,238.32

Finding the Fourth Proportional to 14,526.08, 20,045.40 and 8,238.32

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Solution

The fourth proportional to 14,526.08, 20,045.40 and 8,238.32 is: 11,368.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,526.08 : 20,045.40 = 8,238.32 : x
  2. Step 2: Convert to fraction form
    14,526.08/20,045.40 = 8,238.32/x
  3. Step 3: Cross multiply
    14,526.08x = 20,045.40 × 8,238.32
  4. Step 4: Simplify right side
    14,526.08x = 165,140,419.73
  5. Step 5: Solve for x
    x = 165,140,419.73/14,526.08
  6. Step 6: Final answer
    x = 11,368.55

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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.