Home / 35,638.60-53,416.56-13,437.76

Finding the Fourth Proportional to 35,638.60, 53,416.56 and 13,437.76

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Solution

The fourth proportional to 35,638.60, 53,416.56 and 13,437.76 is: 20,141.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,638.60 : 53,416.56 = 13,437.76 : x
  2. Step 2: Convert to fraction form
    35,638.60/53,416.56 = 13,437.76/x
  3. Step 3: Cross multiply
    35,638.60x = 53,416.56 × 13,437.76
  4. Step 4: Simplify right side
    35,638.60x = 717,798,913.31
  5. Step 5: Solve for x
    x = 717,798,913.31/35,638.60
  6. Step 6: Final answer
    x = 20,141.05

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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.