Home / 19,483.02-26,882.55-12,406.86

Finding the Fourth Proportional to 19,483.02, 26,882.55 and 12,406.86

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Solution

The fourth proportional to 19,483.02, 26,882.55 and 12,406.86 is: 17,118.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,483.02 : 26,882.55 = 12,406.86 : x
  2. Step 2: Convert to fraction form
    19,483.02/26,882.55 = 12,406.86/x
  3. Step 3: Cross multiply
    19,483.02x = 26,882.55 × 12,406.86
  4. Step 4: Simplify right side
    19,483.02x = 333,528,034.29
  5. Step 5: Solve for x
    x = 333,528,034.29/19,483.02
  6. Step 6: Final answer
    x = 17,118.91

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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.