Home / 19,218.03-26,521.02-10,720.68

Finding the Fourth Proportional to 19,218.03, 26,521.02 and 10,720.68

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Solution

The fourth proportional to 19,218.03, 26,521.02 and 10,720.68 is: 14,794.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218.03 : 26,521.02 = 10,720.68 : x
  2. Step 2: Convert to fraction form
    19,218.03/26,521.02 = 10,720.68/x
  3. Step 3: Cross multiply
    19,218.03x = 26,521.02 × 10,720.68
  4. Step 4: Simplify right side
    19,218.03x = 284,323,368.69
  5. Step 5: Solve for x
    x = 284,323,368.69/19,218.03
  6. Step 6: Final answer
    x = 14,794.62

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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.