Home / 19,203.76-26,501.40-10,820.08

Finding the Fourth Proportional to 19,203.76, 26,501.40 and 10,820.08

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Solution

The fourth proportional to 19,203.76, 26,501.40 and 10,820.08 is: 14,931.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,203.76 : 26,501.40 = 10,820.08 : x
  2. Step 2: Convert to fraction form
    19,203.76/26,501.40 = 10,820.08/x
  3. Step 3: Cross multiply
    19,203.76x = 26,501.40 × 10,820.08
  4. Step 4: Simplify right side
    19,203.76x = 286,747,268.11
  5. Step 5: Solve for x
    x = 286,747,268.11/19,203.76
  6. Step 6: Final answer
    x = 14,931.83

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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.