Home / 19,283.04-26,611.20-10,900.08

Finding the Fourth Proportional to 19,283.04, 26,611.20 and 10,900.08

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Solution

The fourth proportional to 19,283.04, 26,611.20 and 10,900.08 is: 15,042.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,283.04 : 26,611.20 = 10,900.08 : x
  2. Step 2: Convert to fraction form
    19,283.04/26,611.20 = 10,900.08/x
  3. Step 3: Cross multiply
    19,283.04x = 26,611.20 × 10,900.08
  4. Step 4: Simplify right side
    19,283.04x = 290,064,208.90
  5. Step 5: Solve for x
    x = 290,064,208.90/19,283.04
  6. Step 6: Final answer
    x = 15,042.45

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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.