Home / 15,360.56-23,045.52-7,970.32

Finding the Fourth Proportional to 15,360.56, 23,045.52 and 7,970.32

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Solution

The fourth proportional to 15,360.56, 23,045.52 and 7,970.32 is: 11,957.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,360.56 : 23,045.52 = 7,970.32 : x
  2. Step 2: Convert to fraction form
    15,360.56/23,045.52 = 7,970.32/x
  3. Step 3: Cross multiply
    15,360.56x = 23,045.52 × 7,970.32
  4. Step 4: Simplify right side
    15,360.56x = 183,680,168.97
  5. Step 5: Solve for x
    x = 183,680,168.97/15,360.56
  6. Step 6: Final answer
    x = 11,957.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.