Home / 19,299.50-26,632.40-10,802.70

Finding the Fourth Proportional to 19,299.50, 26,632.40 and 10,802.70

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Solution

The fourth proportional to 19,299.50, 26,632.40 and 10,802.70 is: 14,907.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,299.50 : 26,632.40 = 10,802.70 : x
  2. Step 2: Convert to fraction form
    19,299.50/26,632.40 = 10,802.70/x
  3. Step 3: Cross multiply
    19,299.50x = 26,632.40 × 10,802.70
  4. Step 4: Simplify right side
    19,299.50x = 287,701,827.48
  5. Step 5: Solve for x
    x = 287,701,827.48/19,299.50
  6. Step 6: Final answer
    x = 14,907.22

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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.