Home / 14,070.61-21,090.88-4,702.05

Finding the Fourth Proportional to 14,070.61, 21,090.88 and 4,702.05

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Solution

The fourth proportional to 14,070.61, 21,090.88 and 4,702.05 is: 7,048.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.61 : 21,090.88 = 4,702.05 : x
  2. Step 2: Convert to fraction form
    14,070.61/21,090.88 = 4,702.05/x
  3. Step 3: Cross multiply
    14,070.61x = 21,090.88 × 4,702.05
  4. Step 4: Simplify right side
    14,070.61x = 99,170,378.18
  5. Step 5: Solve for x
    x = 99,170,378.18/14,070.61
  6. Step 6: Final answer
    x = 7,048.05

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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.