Home / 23,289.15-32,139.18-12,678.93

Finding the Fourth Proportional to 23,289.15, 32,139.18 and 12,678.93

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Solution

The fourth proportional to 23,289.15, 32,139.18 and 12,678.93 is: 17,497.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,289.15 : 32,139.18 = 12,678.93 : x
  2. Step 2: Convert to fraction form
    23,289.15/32,139.18 = 12,678.93/x
  3. Step 3: Cross multiply
    23,289.15x = 32,139.18 × 12,678.93
  4. Step 4: Simplify right side
    23,289.15x = 407,490,413.48
  5. Step 5: Solve for x
    x = 407,490,413.48/23,289.15
  6. Step 6: Final answer
    x = 17,497.01

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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.