Home / 14,784.02-20,402.25-8,069.93

Finding the Fourth Proportional to 14,784.02, 20,402.25 and 8,069.93

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Solution

The fourth proportional to 14,784.02, 20,402.25 and 8,069.93 is: 11,136.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,784.02 : 20,402.25 = 8,069.93 : x
  2. Step 2: Convert to fraction form
    14,784.02/20,402.25 = 8,069.93/x
  3. Step 3: Cross multiply
    14,784.02x = 20,402.25 × 8,069.93
  4. Step 4: Simplify right side
    14,784.02x = 164,644,741.67
  5. Step 5: Solve for x
    x = 164,644,741.67/14,784.02
  6. Step 6: Final answer
    x = 11,136.67

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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.