Home / 14,242.08-19,655.04-7,954.32

Finding the Fourth Proportional to 14,242.08, 19,655.04 and 7,954.32

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Solution

The fourth proportional to 14,242.08, 19,655.04 and 7,954.32 is: 10,977.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.08 : 19,655.04 = 7,954.32 : x
  2. Step 2: Convert to fraction form
    14,242.08/19,655.04 = 7,954.32/x
  3. Step 3: Cross multiply
    14,242.08x = 19,655.04 × 7,954.32
  4. Step 4: Simplify right side
    14,242.08x = 156,342,477.77
  5. Step 5: Solve for x
    x = 156,342,477.77/14,242.08
  6. Step 6: Final answer
    x = 10,977.50

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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.