Home / 21,595.73-32,357.12-13,258.40

Finding the Fourth Proportional to 21,595.73, 32,357.12 and 13,258.40

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Solution

The fourth proportional to 21,595.73, 32,357.12 and 13,258.40 is: 19,865.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,595.73 : 32,357.12 = 13,258.40 : x
  2. Step 2: Convert to fraction form
    21,595.73/32,357.12 = 13,258.40/x
  3. Step 3: Cross multiply
    21,595.73x = 32,357.12 × 13,258.40
  4. Step 4: Simplify right side
    21,595.73x = 429,003,411.73
  5. Step 5: Solve for x
    x = 429,003,411.73/21,595.73
  6. Step 6: Final answer
    x = 19,865.20

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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.