Home / 15,444.12-23,148.90-12,368.28

Finding the Fourth Proportional to 15,444.12, 23,148.90 and 12,368.28

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Solution

The fourth proportional to 15,444.12, 23,148.90 and 12,368.28 is: 18,538.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,444.12 : 23,148.90 = 12,368.28 : x
  2. Step 2: Convert to fraction form
    15,444.12/23,148.90 = 12,368.28/x
  3. Step 3: Cross multiply
    15,444.12x = 23,148.90 × 12,368.28
  4. Step 4: Simplify right side
    15,444.12x = 286,312,076.89
  5. Step 5: Solve for x
    x = 286,312,076.89/15,444.12
  6. Step 6: Final answer
    x = 18,538.58

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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.