Home / 18,045.99-27,070.20-6,355.26

Finding the Fourth Proportional to 18,045.99, 27,070.20 and 6,355.26

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Solution

The fourth proportional to 18,045.99, 27,070.20 and 6,355.26 is: 9,533.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,045.99 : 27,070.20 = 6,355.26 : x
  2. Step 2: Convert to fraction form
    18,045.99/27,070.20 = 6,355.26/x
  3. Step 3: Cross multiply
    18,045.99x = 27,070.20 × 6,355.26
  4. Step 4: Simplify right side
    18,045.99x = 172,038,159.25
  5. Step 5: Solve for x
    x = 172,038,159.25/18,045.99
  6. Step 6: Final answer
    x = 9,533.32

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1.5x scale

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.