Home / 19,606.32-29,409.46-7,124.02

Finding the Fourth Proportional to 19,606.32, 29,409.46 and 7,124.02

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Solution

The fourth proportional to 19,606.32, 29,409.46 and 7,124.02 is: 10,686.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,606.32 : 29,409.46 = 7,124.02 : x
  2. Step 2: Convert to fraction form
    19,606.32/29,409.46 = 7,124.02/x
  3. Step 3: Cross multiply
    19,606.32x = 29,409.46 × 7,124.02
  4. Step 4: Simplify right side
    19,606.32x = 209,513,581.23
  5. Step 5: Solve for x
    x = 209,513,581.23/19,606.32
  6. Step 6: Final answer
    x = 10,686.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.