Home / 18,301.29-25,254.73-10,124.40

Finding the Fourth Proportional to 18,301.29, 25,254.73 and 10,124.40

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Solution

The fourth proportional to 18,301.29, 25,254.73 and 10,124.40 is: 13,971.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.29 : 25,254.73 = 10,124.40 : x
  2. Step 2: Convert to fraction form
    18,301.29/25,254.73 = 10,124.40/x
  3. Step 3: Cross multiply
    18,301.29x = 25,254.73 × 10,124.40
  4. Step 4: Simplify right side
    18,301.29x = 255,689,095.77
  5. Step 5: Solve for x
    x = 255,689,095.77/18,301.29
  6. Step 6: Final answer
    x = 13,971.10

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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.