Home / 17,639.15-24,341.26-9,681.51

Finding the Fourth Proportional to 17,639.15, 24,341.26 and 9,681.51

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Solution

The fourth proportional to 17,639.15, 24,341.26 and 9,681.51 is: 13,360.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,639.15 : 24,341.26 = 9,681.51 : x
  2. Step 2: Convert to fraction form
    17,639.15/24,341.26 = 9,681.51/x
  3. Step 3: Cross multiply
    17,639.15x = 24,341.26 × 9,681.51
  4. Step 4: Simplify right side
    17,639.15x = 235,660,152.10
  5. Step 5: Solve for x
    x = 235,660,152.10/17,639.15
  6. Step 6: Final answer
    x = 13,360.06

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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.