Home / 15,572.18-21,483.06-10,859.19

Finding the Fourth Proportional to 15,572.18, 21,483.06 and 10,859.19

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Solution

The fourth proportional to 15,572.18, 21,483.06 and 10,859.19 is: 14,981.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,572.18 : 21,483.06 = 10,859.19 : x
  2. Step 2: Convert to fraction form
    15,572.18/21,483.06 = 10,859.19/x
  3. Step 3: Cross multiply
    15,572.18x = 21,483.06 × 10,859.19
  4. Step 4: Simplify right side
    15,572.18x = 233,288,630.32
  5. Step 5: Solve for x
    x = 233,288,630.32/15,572.18
  6. Step 6: Final answer
    x = 14,981.12

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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.