Home / 19,003.01-26,223.76-10,389.07

Finding the Fourth Proportional to 19,003.01, 26,223.76 and 10,389.07

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Solution

The fourth proportional to 19,003.01, 26,223.76 and 10,389.07 is: 14,336.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,003.01 : 26,223.76 = 10,389.07 : x
  2. Step 2: Convert to fraction form
    19,003.01/26,223.76 = 10,389.07/x
  3. Step 3: Cross multiply
    19,003.01x = 26,223.76 × 10,389.07
  4. Step 4: Simplify right side
    19,003.01x = 272,440,478.30
  5. Step 5: Solve for x
    x = 272,440,478.30/19,003.01
  6. Step 6: Final answer
    x = 14,336.70

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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.