Home / 25,510.11-35,206.80-15,444.10

Finding the Fourth Proportional to 25,510.11, 35,206.80 and 15,444.10

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Solution

The fourth proportional to 25,510.11, 35,206.80 and 15,444.10 is: 21,314.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,510.11 : 35,206.80 = 15,444.10 : x
  2. Step 2: Convert to fraction form
    25,510.11/35,206.80 = 15,444.10/x
  3. Step 3: Cross multiply
    25,510.11x = 35,206.80 × 15,444.10
  4. Step 4: Simplify right side
    25,510.11x = 543,737,127.93
  5. Step 5: Solve for x
    x = 543,737,127.93/25,510.11
  6. Step 6: Final answer
    x = 21,314.58

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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.