Home / 14,156.19-19,535.51-7,868.57

Finding the Fourth Proportional to 14,156.19, 19,535.51 and 7,868.57

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Solution

The fourth proportional to 14,156.19, 19,535.51 and 7,868.57 is: 10,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.19 : 19,535.51 = 7,868.57 : x
  2. Step 2: Convert to fraction form
    14,156.19/19,535.51 = 7,868.57/x
  3. Step 3: Cross multiply
    14,156.19x = 19,535.51 × 7,868.57
  4. Step 4: Simplify right side
    14,156.19x = 153,716,449.91
  5. Step 5: Solve for x
    x = 153,716,449.91/14,156.19
  6. Step 6: Final answer
    x = 10,858.60

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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.