Home / 15,848.40-23,772.60-14,390.40

Finding the Fourth Proportional to 15,848.40, 23,772.60 and 14,390.40

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Solution

The fourth proportional to 15,848.40, 23,772.60 and 14,390.40 is: 21,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,848.40 : 23,772.60 = 14,390.40 : x
  2. Step 2: Convert to fraction form
    15,848.40/23,772.60 = 14,390.40/x
  3. Step 3: Cross multiply
    15,848.40x = 23,772.60 × 14,390.40
  4. Step 4: Simplify right side
    15,848.40x = 342,097,223.04
  5. Step 5: Solve for x
    x = 342,097,223.04/15,848.40
  6. Step 6: Final answer
    x = 21,585.60

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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.