Home / 25,357.60-38,036.40-15,516.10

Finding the Fourth Proportional to 25,357.60, 38,036.40 and 15,516.10

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Solution

The fourth proportional to 25,357.60, 38,036.40 and 15,516.10 is: 23,274.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,357.60 : 38,036.40 = 15,516.10 : x
  2. Step 2: Convert to fraction form
    25,357.60/38,036.40 = 15,516.10/x
  3. Step 3: Cross multiply
    25,357.60x = 38,036.40 × 15,516.10
  4. Step 4: Simplify right side
    25,357.60x = 590,176,586.04
  5. Step 5: Solve for x
    x = 590,176,586.04/25,357.60
  6. Step 6: Final answer
    x = 23,274.15

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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.