Home / 17,140.29-23,652.13-9,970.35

Finding the Fourth Proportional to 17,140.29, 23,652.13 and 9,970.35

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Solution

The fourth proportional to 17,140.29, 23,652.13 and 9,970.35 is: 13,758.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,140.29 : 23,652.13 = 9,970.35 : x
  2. Step 2: Convert to fraction form
    17,140.29/23,652.13 = 9,970.35/x
  3. Step 3: Cross multiply
    17,140.29x = 23,652.13 × 9,970.35
  4. Step 4: Simplify right side
    17,140.29x = 235,819,964.49
  5. Step 5: Solve for x
    x = 235,819,964.49/17,140.29
  6. Step 6: Final answer
    x = 13,758.22

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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.