Home / 14,948.95-20,639.49-9,292.15

Finding the Fourth Proportional to 14,948.95, 20,639.49 and 9,292.15

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Solution

The fourth proportional to 14,948.95, 20,639.49 and 9,292.15 is: 12,829.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,948.95 : 20,639.49 = 9,292.15 : x
  2. Step 2: Convert to fraction form
    14,948.95/20,639.49 = 9,292.15/x
  3. Step 3: Cross multiply
    14,948.95x = 20,639.49 × 9,292.15
  4. Step 4: Simplify right side
    14,948.95x = 191,785,237.00
  5. Step 5: Solve for x
    x = 191,785,237.00/14,948.95
  6. Step 6: Final answer
    x = 12,829.35

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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.