Home / 19,070.62-26,316.02-10,685.50

Finding the Fourth Proportional to 19,070.62, 26,316.02 and 10,685.50

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Solution

The fourth proportional to 19,070.62, 26,316.02 and 10,685.50 is: 14,745.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,070.62 : 26,316.02 = 10,685.50 : x
  2. Step 2: Convert to fraction form
    19,070.62/26,316.02 = 10,685.50/x
  3. Step 3: Cross multiply
    19,070.62x = 26,316.02 × 10,685.50
  4. Step 4: Simplify right side
    19,070.62x = 281,199,831.71
  5. Step 5: Solve for x
    x = 281,199,831.71/19,070.62
  6. Step 6: Final answer
    x = 14,745.19

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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.