Home / 25,159.18-34,720.02-13,829.76

Finding the Fourth Proportional to 25,159.18, 34,720.02 and 13,829.76

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Solution

The fourth proportional to 25,159.18, 34,720.02 and 13,829.76 is: 19,085.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,159.18 : 34,720.02 = 13,829.76 : x
  2. Step 2: Convert to fraction form
    25,159.18/34,720.02 = 13,829.76/x
  3. Step 3: Cross multiply
    25,159.18x = 34,720.02 × 13,829.76
  4. Step 4: Simplify right side
    25,159.18x = 480,169,543.80
  5. Step 5: Solve for x
    x = 480,169,543.80/25,159.18
  6. Step 6: Final answer
    x = 19,085.26

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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.