Home / 53,347.50-80,025.40-15,904.70

Finding the Fourth Proportional to 53,347.50, 80,025.40 and 15,904.70

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Solution

The fourth proportional to 53,347.50, 80,025.40 and 15,904.70 is: 23,858.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,347.50 : 80,025.40 = 15,904.70 : x
  2. Step 2: Convert to fraction form
    53,347.50/80,025.40 = 15,904.70/x
  3. Step 3: Cross multiply
    53,347.50x = 80,025.40 × 15,904.70
  4. Step 4: Simplify right side
    53,347.50x = 1,272,779,979.38
  5. Step 5: Solve for x
    x = 1,272,779,979.38/53,347.50
  6. Step 6: Final answer
    x = 23,858.29

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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.