Home / 19,485.61-26,890.13-10,533.11

Finding the Fourth Proportional to 19,485.61, 26,890.13 and 10,533.11

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Solution

The fourth proportional to 19,485.61, 26,890.13 and 10,533.11 is: 14,535.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,485.61 : 26,890.13 = 10,533.11 : x
  2. Step 2: Convert to fraction form
    19,485.61/26,890.13 = 10,533.11/x
  3. Step 3: Cross multiply
    19,485.61x = 26,890.13 × 10,533.11
  4. Step 4: Simplify right side
    19,485.61x = 283,236,697.20
  5. Step 5: Solve for x
    x = 283,236,697.20/19,485.61
  6. Step 6: Final answer
    x = 14,535.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.