Home / 16,915.95-23,345.16-9,362.58

Finding the Fourth Proportional to 16,915.95, 23,345.16 and 9,362.58

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Solution

The fourth proportional to 16,915.95, 23,345.16 and 9,362.58 is: 12,921.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915.95 : 23,345.16 = 9,362.58 : x
  2. Step 2: Convert to fraction form
    16,915.95/23,345.16 = 9,362.58/x
  3. Step 3: Cross multiply
    16,915.95x = 23,345.16 × 9,362.58
  4. Step 4: Simplify right side
    16,915.95x = 218,570,928.11
  5. Step 5: Solve for x
    x = 218,570,928.11/16,915.95
  6. Step 6: Final answer
    x = 12,921.00

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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.