Home / 23,038.19-31,792.76-12,966.78

Finding the Fourth Proportional to 23,038.19, 31,792.76 and 12,966.78

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Solution

The fourth proportional to 23,038.19, 31,792.76 and 12,966.78 is: 17,894.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,038.19 : 31,792.76 = 12,966.78 : x
  2. Step 2: Convert to fraction form
    23,038.19/31,792.76 = 12,966.78/x
  3. Step 3: Cross multiply
    23,038.19x = 31,792.76 × 12,966.78
  4. Step 4: Simplify right side
    23,038.19x = 412,249,724.51
  5. Step 5: Solve for x
    x = 412,249,724.51/23,038.19
  6. Step 6: Final answer
    x = 17,894.19

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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.