Home / 20,536.16-28,339.50-11,583.50

Finding the Fourth Proportional to 20,536.16, 28,339.50 and 11,583.50

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Solution

The fourth proportional to 20,536.16, 28,339.50 and 11,583.50 is: 15,985.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,536.16 : 28,339.50 = 11,583.50 : x
  2. Step 2: Convert to fraction form
    20,536.16/28,339.50 = 11,583.50/x
  3. Step 3: Cross multiply
    20,536.16x = 28,339.50 × 11,583.50
  4. Step 4: Simplify right side
    20,536.16x = 328,270,598.25
  5. Step 5: Solve for x
    x = 328,270,598.25/20,536.16
  6. Step 6: Final answer
    x = 15,985.00

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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.