Home / 23,117.17-31,901.73-12,506.77

Finding the Fourth Proportional to 23,117.17, 31,901.73 and 12,506.77

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Solution

The fourth proportional to 23,117.17, 31,901.73 and 12,506.77 is: 17,259.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,117.17 : 31,901.73 = 12,506.77 : x
  2. Step 2: Convert to fraction form
    23,117.17/31,901.73 = 12,506.77/x
  3. Step 3: Cross multiply
    23,117.17x = 31,901.73 × 12,506.77
  4. Step 4: Simplify right side
    23,117.17x = 398,987,599.71
  5. Step 5: Solve for x
    x = 398,987,599.71/23,117.17
  6. Step 6: Final answer
    x = 17,259.36

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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.