Home / 19,354.28-26,709.95-10,859.13

Finding the Fourth Proportional to 19,354.28, 26,709.95 and 10,859.13

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Solution

The fourth proportional to 19,354.28, 26,709.95 and 10,859.13 is: 14,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,354.28 : 26,709.95 = 10,859.13 : x
  2. Step 2: Convert to fraction form
    19,354.28/26,709.95 = 10,859.13/x
  3. Step 3: Cross multiply
    19,354.28x = 26,709.95 × 10,859.13
  4. Step 4: Simplify right side
    19,354.28x = 290,046,846.49
  5. Step 5: Solve for x
    x = 290,046,846.49/19,354.28
  6. Step 6: Final answer
    x = 14,986.19

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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.