Home / 13,017.51-19,526.07-3,156.87

Finding the Fourth Proportional to 13,017.51, 19,526.07 and 3,156.87

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Solution

The fourth proportional to 13,017.51, 19,526.07 and 3,156.87 is: 4,735.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017.51 : 19,526.07 = 3,156.87 : x
  2. Step 2: Convert to fraction form
    13,017.51/19,526.07 = 3,156.87/x
  3. Step 3: Cross multiply
    13,017.51x = 19,526.07 × 3,156.87
  4. Step 4: Simplify right side
    13,017.51x = 61,641,252.76
  5. Step 5: Solve for x
    x = 61,641,252.76/13,017.51
  6. Step 6: Final answer
    x = 4,735.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.