Home / 19,008.56-28,510.16-6,528.40

Finding the Fourth Proportional to 19,008.56, 28,510.16 and 6,528.40

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Solution

The fourth proportional to 19,008.56, 28,510.16 and 6,528.40 is: 9,791.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008.56 : 28,510.16 = 6,528.40 : x
  2. Step 2: Convert to fraction form
    19,008.56/28,510.16 = 6,528.40/x
  3. Step 3: Cross multiply
    19,008.56x = 28,510.16 × 6,528.40
  4. Step 4: Simplify right side
    19,008.56x = 186,125,728.54
  5. Step 5: Solve for x
    x = 186,125,728.54/19,008.56
  6. Step 6: Final answer
    x = 9,791.68

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1.5x scale

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.