Home / 19,042.02-26,278.01-10,428.16

Finding the Fourth Proportional to 19,042.02, 26,278.01 and 10,428.16

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Solution

The fourth proportional to 19,042.02, 26,278.01 and 10,428.16 is: 14,390.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,042.02 : 26,278.01 = 10,428.16 : x
  2. Step 2: Convert to fraction form
    19,042.02/26,278.01 = 10,428.16/x
  3. Step 3: Cross multiply
    19,042.02x = 26,278.01 × 10,428.16
  4. Step 4: Simplify right side
    19,042.02x = 274,031,292.76
  5. Step 5: Solve for x
    x = 274,031,292.76/19,042.02
  6. Step 6: Final answer
    x = 14,390.87

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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.