Home / 15,796.04-21,798.36-8,722.32

Finding the Fourth Proportional to 15,796.04, 21,798.36 and 8,722.32

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Solution

The fourth proportional to 15,796.04, 21,798.36 and 8,722.32 is: 12,036.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,796.04 : 21,798.36 = 8,722.32 : x
  2. Step 2: Convert to fraction form
    15,796.04/21,798.36 = 8,722.32/x
  3. Step 3: Cross multiply
    15,796.04x = 21,798.36 × 8,722.32
  4. Step 4: Simplify right side
    15,796.04x = 190,132,271.40
  5. Step 5: Solve for x
    x = 190,132,271.40/15,796.04
  6. Step 6: Final answer
    x = 12,036.70

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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.