Home / 15,566.77-21,482.75-8,853.01

Finding the Fourth Proportional to 15,566.77, 21,482.75 and 8,853.01

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Solution

The fourth proportional to 15,566.77, 21,482.75 and 8,853.01 is: 12,217.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,566.77 : 21,482.75 = 8,853.01 : x
  2. Step 2: Convert to fraction form
    15,566.77/21,482.75 = 8,853.01/x
  3. Step 3: Cross multiply
    15,566.77x = 21,482.75 × 8,853.01
  4. Step 4: Simplify right side
    15,566.77x = 190,187,000.58
  5. Step 5: Solve for x
    x = 190,187,000.58/15,566.77
  6. Step 6: Final answer
    x = 12,217.50

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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.