Home / 23,038.16-31,792.77-12,966.75

Finding the Fourth Proportional to 23,038.16, 31,792.77 and 12,966.75

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Solution

The fourth proportional to 23,038.16, 31,792.77 and 12,966.75 is: 17,894.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,038.16 : 31,792.77 = 12,966.75 : x
  2. Step 2: Convert to fraction form
    23,038.16/31,792.77 = 12,966.75/x
  3. Step 3: Cross multiply
    23,038.16x = 31,792.77 × 12,966.75
  4. Step 4: Simplify right side
    23,038.16x = 412,248,900.40
  5. Step 5: Solve for x
    x = 412,248,900.40/23,038.16
  6. Step 6: Final answer
    x = 17,894.18

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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.