Home / 19,312.02-28,967.76-5,461.02

Finding the Fourth Proportional to 19,312.02, 28,967.76 and 5,461.02

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Solution

The fourth proportional to 19,312.02, 28,967.76 and 5,461.02 is: 8,191.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312.02 : 28,967.76 = 5,461.02 : x
  2. Step 2: Convert to fraction form
    19,312.02/28,967.76 = 5,461.02/x
  3. Step 3: Cross multiply
    19,312.02x = 28,967.76 × 5,461.02
  4. Step 4: Simplify right side
    19,312.02x = 158,193,516.72
  5. Step 5: Solve for x
    x = 158,193,516.72/19,312.02
  6. Step 6: Final answer
    x = 8,191.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.