Home / 20,551.04-28,360.32-11,598.08

Finding the Fourth Proportional to 20,551.04, 28,360.32 and 11,598.08

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Solution

The fourth proportional to 20,551.04, 28,360.32 and 11,598.08 is: 16,005.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,551.04 : 28,360.32 = 11,598.08 : x
  2. Step 2: Convert to fraction form
    20,551.04/28,360.32 = 11,598.08/x
  3. Step 3: Cross multiply
    20,551.04x = 28,360.32 × 11,598.08
  4. Step 4: Simplify right side
    20,551.04x = 328,925,260.19
  5. Step 5: Solve for x
    x = 328,925,260.19/20,551.04
  6. Step 6: Final answer
    x = 16,005.29

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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.